diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c58293159a..f7fd2afd6d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.9]
 
     steps:
       - uses: actions/checkout@v3
@@ -28,7 +28,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.9]
 
     steps:
       - uses: actions/checkout@v3
@@ -47,7 +47,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.9]
 
     steps:
       - uses: actions/checkout@v3
@@ -60,12 +60,14 @@ jobs:
       - run: yarn test
 
   VisualRegression:
+    # skip this until the new API is ready
+    if: false
     name: Visual regression tests
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.9]
 
     steps:
       - uses: actions/checkout@v3
@@ -79,11 +81,13 @@ jobs:
         run: yarn test:e2e:ci
 
   Compatibility-Tests:
+    # skip this until the new API is ready
+    if: false
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        node-version: [18.x]
+        node-version: [20.9]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/compat-tests/package.json b/compat-tests/package.json
index d3061ff4bd..c7f8a1dd39 100644
--- a/compat-tests/package.json
+++ b/compat-tests/package.json
@@ -2,17 +2,17 @@
   "name": "@theatre/compat-tests",
   "private": true,
   "scripts": {
-    "install-fixtures": "node -r esbuild-register ./scripts/install-fixtures.ts",
-    "clean": "node -r esbuild-register ./scripts/clean.ts"
+    "install-fixtures": "tsx ./scripts/install-fixtures.ts",
+    "clean": "tsx ./scripts/clean.ts"
   },
   "dependencies": {
     "@cspotcode/zx": "^6.1.2",
     "@verdaccio/types": "^10.8.0",
     "esbuild": "^0.18.18",
-    "esbuild-register": "^3.4.2",
     "node-cleanup": "^2.1.2",
     "playwright": "^1.29.1",
     "prettier": "^2.6.2",
+    "tsx": "4.7.0",
     "verdaccio": "^5.26.1",
     "verdaccio-auth-memory": "^10.2.2",
     "verdaccio-memory": "^10.3.2"
diff --git a/devEnv/cli.ts b/devEnv/cli.ts
index bf51967c85..b7e76be789 100644
--- a/devEnv/cli.ts
+++ b/devEnv/cli.ts
@@ -27,21 +27,24 @@ $.quote = function quote(arg) {
   )
 }
 
+const packagesToBuild = [
+  '@theatre/dataverse',
+  '@theatre/saaz',
+  '@theatre/core',
+  '@theatre/studio',
+  '@theatre/react',
+  '@theatre/r3f',
+  'theatric',
+  '@theatre/browser-bundles',
+]
+
 prog
   .command(
     'build clean',
     'Cleans the build artifacts and output directories of all the main packages',
   )
   .action(async () => {
-    const packages = [
-      '@theatre/saaz',
-      'theatre',
-      '@theatre/dataverse',
-      '@theatre/react',
-      '@theatre/browser-bundles',
-      '@theatre/r3f',
-      'theatric',
-    ]
+    const packages = [...packagesToBuild]
 
     await Promise.all([
       ...packages.map((workspace) => $`yarn workspace ${workspace} run clean`),
@@ -49,22 +52,11 @@ prog
   })
 
 prog.command('build', 'Builds all the main packages').action(async () => {
-  const packagesToBuild = [
-    '@theatre/saaz',
-    'theatre',
-    '@theatre/dataverse',
-    '@theatre/react',
-    '@theatre/browser-bundles',
-    '@theatre/r3f',
-    'theatric',
-  ]
   async function build() {
-    await Promise.all([
-      $`yarn run build:ts`,
-      ...packagesToBuild.map(
-        (workspace) => $`yarn workspace ${workspace} run build`,
-      ),
-    ])
+    await $`yarn run build:ts`
+    for (const workspace of packagesToBuild) {
+      await $`yarn workspace ${workspace} run build`
+    }
   }
 
   void build()
@@ -80,42 +72,13 @@ prog
      *
      * It assigns the same version number to all packages (like lerna's fixed mode).
      **/
-    const packagesToBuild = [
-      '@theatre/saaz',
-      'theatre',
-      '@theatre/dataverse',
-      '@theatre/react',
-      '@theatre/browser-bundles',
-      '@theatre/r3f',
-      'theatric',
-    ]
 
-    const packagesToPublish = [
-      '@theatre/core',
-      '@theatre/studio',
-      '@theatre/dataverse',
-      '@theatre/saaz',
-      '@theatre/react',
-      '@theatre/browser-bundles',
-      '@theatre/r3f',
-      'theatric',
-    ]
+    const packagesToPublish = [...packagesToBuild]
 
     /**
      * All these packages will have the same version from monorepo/package.json
      */
-    const packagesWhoseVersionsShouldBump = [
-      '.',
-      'theatre',
-      'theatre/core',
-      'theatre/studio',
-      'packages/dataverse',
-      'packages/react',
-      'packages/saaz',
-      'packages/browser-bundles',
-      'packages/r3f',
-      'packages/theatric',
-    ]
+    const packagesWhoseVersionsShouldBump = ['.', ...packagesToPublish]
 
     // our packages will check for this env variable to make sure their
     // prepublish script is only called from the `$ cd /path/to/monorepo; yarn run release`
diff --git a/devEnv/ensurePublishing.js b/devEnv/ensurePublishing.js
index 07fd346240..93a480b21e 100644
--- a/devEnv/ensurePublishing.js
+++ b/devEnv/ensurePublishing.js
@@ -1,7 +1,4 @@
-if (
-  process.env.THEATRE_IS_PUBLISHING !== 'true' &&
-  process.env.USING_YALC !== 'true'
-) {
+if (process.env.THEATRE_IS_PUBLISHING !== 'true') {
   throw Error(
     `This script may run only when the "release" command in monorepo's root is running.`,
   )
diff --git a/docker-compose.yml b/docker-compose.yml
index ec4cf3ef95..6b036e0016 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,7 +4,7 @@ version: '3.8'
 name: theatre-monorepo
 services:
   node:
-    image: mcr.microsoft.com/playwright:v1.36.0-jammy
+    image: mcr.microsoft.com/playwright:v1.40.0-jammy
     volumes:
       - .:/app
       # This ignores all node_modules folders/sub-folders so that we can have a separate installation
diff --git a/examples/basic-dom/Scene.tsx b/examples/basic-dom/Scene.tsx
index 140c363e7a..4bfc163236 100644
--- a/examples/basic-dom/Scene.tsx
+++ b/examples/basic-dom/Scene.tsx
@@ -5,7 +5,7 @@ import type {UseDragOpts} from './useDrag'
 import useDrag from './useDrag'
 import theatre from '@theatre/core'
 
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 const boxObjectConfig = {
   x: 0,
diff --git a/examples/basic-dom/index.tsx b/examples/basic-dom/index.tsx
index 5173bf1508..1decf76706 100644
--- a/examples/basic-dom/index.tsx
+++ b/examples/basic-dom/index.tsx
@@ -3,7 +3,7 @@ import ReactDOM from 'react-dom/client'
 import theatre, {getProject} from '@theatre/core'
 import {Scene} from './Scene'
 
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <Scene project={getProject('Sample project')} />,
diff --git a/package.json b/package.json
index e7212eaa09..c3fcbf10ea 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "compat-tests"
   ],
   "scripts": {
-    "cli": "node -r esbuild-register devEnv/cli.ts",
+    "cli": "tsx devEnv/cli.ts",
     "playground": "yarn workspace playground run serve",
     "benchmarks": "yarn workspace benchmarks run serve",
     "test:e2e": "yarn workspace playground run test",
@@ -38,7 +38,6 @@
     "@typescript-eslint/eslint-plugin": "^6.16.0",
     "@typescript-eslint/parser": "^6.16.0",
     "esbuild": "^0.18.18",
-    "esbuild-register": "^3.4.2",
     "eslint": "^8.56.0",
     "eslint-plugin-import": "2.29.1",
     "eslint-plugin-jsx-a11y": "^6.7.1",
@@ -58,6 +57,7 @@
     "node-gyp": "^9.1.0",
     "prettier": "^3.1.1",
     "sade": "^1.8.1",
+    "tsx": "4.7.0",
     "typescript": "5.1.6",
     "yaml": "^2.3.1"
   },
diff --git a/packages/app/package.json b/packages/app/package.json
index ca1b31bdf8..f9818b9e2b 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "scripts": {
-    "cli": "node -r esbuild-register devEnv/cli.ts",
+    "cli": "tsx devEnv/cli.ts",
     "start": "yarn cli prod start",
     "lint": "next lint",
     "prebuild": "yarn cli prebuild",
@@ -44,7 +44,6 @@
     "cross-env": "^7.0.3",
     "dotenv": "^16.3.1",
     "esbuild": "^0.18.20",
-    "esbuild-register": "^3.4.2",
     "eslint-config-next": "13.4.13",
     "jose": "^4.14.4",
     "lucide-react": "^0.289.0",
diff --git a/packages/app/src/app/(protected)/_components/EditWorkspaceDialog.tsx b/packages/app/src/app/(protected)/_components/EditWorkspaceDialog.tsx
index 9fd6108db3..523b84b296 100644
--- a/packages/app/src/app/(protected)/_components/EditWorkspaceDialog.tsx
+++ b/packages/app/src/app/(protected)/_components/EditWorkspaceDialog.tsx
@@ -66,8 +66,8 @@ export default function EditWorkspaceDialog({
         name: values.name,
         description: values.description,
       })
-      queryUtils.teams.invalidate()
-      queryUtils.workspaces.invalidate()
+      void queryUtils.teams.invalidate()
+      void queryUtils.workspaces.invalidate()
     } catch (error) {
       toast({
         variant: 'destructive',
diff --git a/packages/app/src/app/(protected)/_components/InviteGuestsDialog.tsx b/packages/app/src/app/(protected)/_components/InviteGuestsDialog.tsx
index 00b9901169..8af40defbf 100644
--- a/packages/app/src/app/(protected)/_components/InviteGuestsDialog.tsx
+++ b/packages/app/src/app/(protected)/_components/InviteGuestsDialog.tsx
@@ -64,7 +64,7 @@ export default function InviteGuestsDialog({
         id: workspaceId,
         invites: [{email: values.email, accessLevel: values.accessLevel}],
       })
-      queryUtils.workspaces.invalidate()
+      void queryUtils.workspaces.invalidate()
     } catch (error) {
       toast({
         variant: 'destructive',
@@ -157,7 +157,7 @@ function Guests({workspaceId}: {workspaceId: string}) {
 
   async function handleRemoveGuest(email: string) {
     await removeGuest({id: workspaceId, email})
-    queryUtils.workspaces.getGuests.invalidate()
+    void queryUtils.workspaces.getGuests.invalidate()
   }
 
   async function handleChangeAccessLevel(
@@ -165,7 +165,7 @@ function Guests({workspaceId}: {workspaceId: string}) {
     accessLevel: 'READ' | 'READ_WRITE',
   ) {
     await changeAccessLevel({id: workspaceId, email, accessLevel})
-    queryUtils.workspaces.getGuests.invalidate()
+    void queryUtils.workspaces.getGuests.invalidate()
   }
 
   return (
diff --git a/packages/app/src/app/(protected)/_components/InviteTeamMembersPrompt.tsx b/packages/app/src/app/(protected)/_components/InviteTeamMembersPrompt.tsx
index 6eaea93bd9..e80f2e7bea 100644
--- a/packages/app/src/app/(protected)/_components/InviteTeamMembersPrompt.tsx
+++ b/packages/app/src/app/(protected)/_components/InviteTeamMembersPrompt.tsx
@@ -53,7 +53,7 @@ const InviteTeamMembersPrompt: FC<{id: string}> = ({id}) => {
         id,
         invites: [{email: values.email, role: values.role}],
       })
-      queryUtils.teams.invalidate()
+      void queryUtils.teams.invalidate()
     } catch (error) {
       toast({
         variant: 'destructive',
diff --git a/packages/app/src/app/(protected)/_components/NewWorkspaceDialog.tsx b/packages/app/src/app/(protected)/_components/NewWorkspaceDialog.tsx
index 8fcb021a9b..6a0c5d24e7 100644
--- a/packages/app/src/app/(protected)/_components/NewWorkspaceDialog.tsx
+++ b/packages/app/src/app/(protected)/_components/NewWorkspaceDialog.tsx
@@ -56,8 +56,8 @@ export default function NewWorkspaceDialog({teamId}: {teamId: string}) {
         description: values.description,
         teamId,
       })
-      queryUtils.teams.invalidate()
-      queryUtils.workspaces.invalidate()
+      void queryUtils.teams.invalidate()
+      void queryUtils.workspaces.invalidate()
     } catch (error) {
       toast({
         variant: 'destructive',
diff --git a/packages/app/src/app/(protected)/_components/NotificationsPopover.tsx b/packages/app/src/app/(protected)/_components/NotificationsPopover.tsx
index 8e5cce2a65..dfed7c7c2f 100644
--- a/packages/app/src/app/(protected)/_components/NotificationsPopover.tsx
+++ b/packages/app/src/app/(protected)/_components/NotificationsPopover.tsx
@@ -57,8 +57,8 @@ const Invitations = () => {
             <Button
               onClick={async () => {
                 await acceptGuestInvitation({id: invitation.workspaceId})
-                queryUtils.me.getGuestInvitations.invalidate()
-                queryUtils.workspaces.invalidate()
+                void queryUtils.me.getGuestInvitations.invalidate()
+                void queryUtils.workspaces.invalidate()
               }}
               size="sm"
             >
@@ -70,8 +70,8 @@ const Invitations = () => {
                   id: invitation.workspaceId,
                   email: me.email!,
                 })
-                queryUtils.me.getGuestInvitations.invalidate()
-                queryUtils.workspaces.invalidate()
+                void queryUtils.me.getGuestInvitations.invalidate()
+                void queryUtils.workspaces.invalidate()
               }}
               variant="ghost"
               size="sm"
@@ -91,8 +91,8 @@ const Invitations = () => {
             <Button
               onClick={async () => {
                 await acceptTeamInvitation({id: invitation.teamId})
-                queryUtils.me.getTeamInvitations.invalidate()
-                queryUtils.teams.invalidate()
+                void queryUtils.me.getTeamInvitations.invalidate()
+                void queryUtils.teams.invalidate()
               }}
               size="sm"
             >
@@ -104,8 +104,8 @@ const Invitations = () => {
                   id: invitation.teamId,
                   email: me.email!,
                 })
-                queryUtils.me.getTeamInvitations.invalidate()
-                queryUtils.teams.invalidate()
+                void queryUtils.me.getTeamInvitations.invalidate()
+                void queryUtils.teams.invalidate()
               }}
               variant="ghost"
               size="sm"
diff --git a/packages/app/src/app/(protected)/_components/TeamMembers.tsx b/packages/app/src/app/(protected)/_components/TeamMembers.tsx
index 706047255a..647949c55f 100644
--- a/packages/app/src/app/(protected)/_components/TeamMembers.tsx
+++ b/packages/app/src/app/(protected)/_components/TeamMembers.tsx
@@ -21,13 +21,13 @@ export default function Members({teamId}: {teamId: string}) {
 
   async function handleRemoveMember(email: string) {
     await removeMember({id: teamId, email})
-    queryUtils.teams.getMembers.invalidate()
+    void queryUtils.teams.getMembers.invalidate()
   }
 
   async function handleChangeRole(email: string, role: 'MEMBER' | 'OWNER') {
     try {
       await changeMemberRole({id: teamId, email, role})
-      queryUtils.teams.getMembers.invalidate()
+      void queryUtils.teams.getMembers.invalidate()
     } catch (error) {
       toast({
         variant: 'destructive',
diff --git a/packages/app/src/app/(protected)/team/[id]/components/Team.tsx b/packages/app/src/app/(protected)/team/[id]/components/Team.tsx
index 661c9158b8..9973a97b8b 100644
--- a/packages/app/src/app/(protected)/team/[id]/components/Team.tsx
+++ b/packages/app/src/app/(protected)/team/[id]/components/Team.tsx
@@ -40,7 +40,7 @@ export default function Team({id}: {id: string}) {
               size="icon"
               className="invisible group-hover:visible"
               onClick={() => {
-                promptTeamSettings(id)
+                void promptTeamSettings(id)
               }}
             >
               <Settings className="h-4 w-4" />
diff --git a/packages/benchmarks/package.json b/packages/benchmarks/package.json
index a7d65bb1e7..7534434c51 100644
--- a/packages/benchmarks/package.json
+++ b/packages/benchmarks/package.json
@@ -8,7 +8,7 @@
     "dist/**/*"
   ],
   "scripts": {
-    "serve": "node -r esbuild-register devEnv/serveBenchmarks.ts",
+    "serve": "tsx devEnv/serveBenchmarks.ts",
     "typecheck": "yarn run build",
     "build": "tsc --build ./tsconfig.json"
   },
@@ -24,7 +24,7 @@
     "@types/node": "^18.11.9",
     "@types/react": "^18.0.25",
     "esbuild": "^0.15.15",
-    "esbuild-register": "^3.4.1",
+    "tsx": "4.7.0",
     "typescript": "5.1.6"
   }
 }
diff --git a/packages/browser-bundles/devEnv/build.ts b/packages/browser-bundles/devEnv/build.ts
index f76894ab0e..8dfb4bf40b 100644
--- a/packages/browser-bundles/devEnv/build.ts
+++ b/packages/browser-bundles/devEnv/build.ts
@@ -1,22 +1,22 @@
 import * as path from 'path'
-import {build} from 'esbuild'
-import type {Plugin} from 'esbuild'
+import * as esbuild from 'esbuild'
+import {definedGlobals} from '../../core/devEnv/definedGlobals'
 
-const definedGlobals = {
-  global: 'window',
-  'process.env.THEATRE_VERSION': JSON.stringify(
-    require('../package.json').version,
-  ),
-}
-
-function createBundles(watch: boolean) {
+function createBundles() {
   const pathToPackage = path.join(__dirname, '../')
-  const esbuildConfig: Parameters<typeof build>[0] = {
+  const esbuildConfig: Parameters<typeof esbuild.context>[0] = {
     bundle: true,
     sourcemap: true,
-    define: definedGlobals,
-    watch,
+    define: {
+      ...definedGlobals,
+      __IS_VISUAL_REGRESSION_TESTING: 'false',
+      'process.env.NODE_ENV': '"production"',
+    },
     platform: 'browser',
+    supported: {
+      // 'unicode-escapes': false,
+      'template-literal': false,
+    },
     loader: {
       '.png': 'dataurl',
       '.glb': 'dataurl',
@@ -28,37 +28,24 @@ function createBundles(watch: boolean) {
     conditions: ['browser', 'node'],
   }
 
-  // build({
-  //   ...esbuildConfig,
-  //   entryPoints: [path.join(pathToPackage, 'src/core-only.ts')],
-  //   outfile: path.join(pathToPackage, 'dist/core-only.js'),
-  //   format: 'iife',
-  // })
-
-  void build({
+  void esbuild.build({
     ...esbuildConfig,
     entryPoints: [path.join(pathToPackage, 'src/core-and-studio.ts')],
     outfile: path.join(pathToPackage, 'dist/core-and-studio.js'),
     format: 'iife',
+    minifyIdentifiers: false,
+    minifySyntax: true,
+    minifyWhitespace: false,
+    treeShaking: true,
   })
 
-  void build({
+  void esbuild.build({
     ...esbuildConfig,
     entryPoints: [path.join(pathToPackage, 'src/core-only.ts')],
     outfile: path.join(pathToPackage, 'dist/core-only.min.js'),
     minify: true,
     format: 'iife',
-    define: {
-      ...definedGlobals,
-      'process.env.NODE_ENV': JSON.stringify('production'),
-    },
   })
-
-  // build({
-  //   ...esbuildConfig,
-  //   outfile: path.join(pathToPackage, 'dist/index.mjs'),
-  //   format: 'esm',
-  // })
 }
 
-createBundles(false)
+createBundles()
diff --git a/packages/browser-bundles/package.json b/packages/browser-bundles/package.json
index 37c2364bed..85ba9fd1e4 100644
--- a/packages/browser-bundles/package.json
+++ b/packages/browser-bundles/package.json
@@ -17,18 +17,16 @@
   ],
   "scripts": {
     "build": "yarn run build:js",
-    "build:js": "node -r esbuild-register ./devEnv/build.ts",
+    "build:js": "tsx ./devEnv/build.ts",
     "prepublish": "node ../../devEnv/ensurePublishing.js",
     "clean": "rm -rf ./dist && rm -f tsconfig.tsbuildinfo"
   },
   "devDependencies": {
-    "esbuild": "^0.12.15",
-    "esbuild-register": "^2.5.0",
+    "@theatre/core": "workspace:*",
+    "@theatre/studio": "workspace:*",
+    "esbuild": "^0.19.11",
     "npm-run-all": "^4.1.5",
+    "tsx": "4.7.0",
     "typescript": "5.1.6"
-  },
-  "peerDependencies": {
-    "@theatre/core": "*",
-    "@theatre/studio": "*"
   }
 }
diff --git a/packages/browser-bundles/src/core-and-studio.ts b/packages/browser-bundles/src/core-and-studio.ts
index 0347f30132..7ff9253252 100644
--- a/packages/browser-bundles/src/core-and-studio.ts
+++ b/packages/browser-bundles/src/core-and-studio.ts
@@ -1,7 +1,5 @@
 import * as core from '@theatre/core'
+import '@theatre/studio'
 
 // @ts-ignore
-window.Theatre = {
-  core,
-  studio,
-}
+window.Theatre = core
diff --git a/packages/browser-bundles/src/core-only.ts b/packages/browser-bundles/src/core-only.ts
index e02cd423c8..255ad5dbc6 100644
--- a/packages/browser-bundles/src/core-only.ts
+++ b/packages/browser-bundles/src/core-only.ts
@@ -1,12 +1,4 @@
 import * as core from '@theatre/core'
 
 // @ts-ignore
-window.Theatre = {
-  core,
-  get studio() {
-    alert(
-      "Theatre.studio is only available in the core-and-studio.js bundle. You're using the core-only.min.js bundle.",
-    )
-    return undefined
-  },
-}
+window.Theatre = core
diff --git a/packages/browser-bundles/tsconfig.json b/packages/browser-bundles/tsconfig.json
index 3d79f34090..0cff0de11a 100644
--- a/packages/browser-bundles/tsconfig.json
+++ b/packages/browser-bundles/tsconfig.json
@@ -1,5 +1,4 @@
 {
-  "extends": "../../tsconfig.base.json",
   "compilerOptions": {
     "outDir": "dist",
     "lib": ["ESNext", "DOM"],
@@ -9,10 +8,5 @@
     "target": "es6",
     "composite": true
   },
-  "include": ["./src/**/*"],
-  "references": [
-    {"path": "../dataverse"},
-    {"path": "../core"},
-    {"path": "../studio"}
-  ]
+  "include": ["./src/**/*"]
 }
diff --git a/packages/core/devEnv/bundle.ts b/packages/core/devEnv/bundle.ts
deleted file mode 100644
index 7396b41fbf..0000000000
--- a/packages/core/devEnv/bundle.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import {createBundles} from './createBundles'
-
-void createBundles(false)
diff --git a/packages/core/devEnv/cli.ts b/packages/core/devEnv/cli.ts
new file mode 100644
index 0000000000..28ecb79949
--- /dev/null
+++ b/packages/core/devEnv/cli.ts
@@ -0,0 +1,71 @@
+import sade from 'sade'
+import {path, $} from '@cspotcode/zx'
+import * as esbuild from 'esbuild'
+import {definedGlobals} from './definedGlobals'
+const packageRoot = path.join(__dirname, '..')
+
+const prog = sade('cli')
+
+prog
+  .command('build js', 'Generate the .js bundle')
+  .option('--watch', 'Watch')
+  .action(async (opts) => {
+    await bundle(opts.watch)
+  })
+
+prog.command('build ts', 'Generate the .d.ts bundle').action(async () => {
+  await bundleTypes()
+})
+
+prog.command('build', 'Generate the .js and .d.ts bundles').action(async () => {
+  await Promise.all([bundle(false), bundleTypes()])
+})
+
+prog.parse(process.argv)
+
+async function bundleTypes() {
+  await $`tsc --build`
+  await $`rollup -c devEnv/declarations-bundler/rollup.config.js --bundleConfigAsCjs`
+}
+
+async function bundle(watch: boolean) {
+  const esbuildConfig: Parameters<typeof esbuild.context>[0] = {
+    entryPoints: [path.join(packageRoot, 'src/index.ts')],
+    target: ['es6'],
+    // loader: {'.png': 'file', '.svg': 'dataurl'},
+    bundle: true,
+    sourcemap: true,
+    supported: {
+      // 'unicode-escapes': false,
+      'template-literal': false,
+    },
+    define: {
+      ...definedGlobals,
+      __IS_VISUAL_REGRESSION_TESTING: 'false',
+      'process.env.NODE_ENV': '"production"',
+    },
+    external: ['@theatre/dataverse'],
+    minifyIdentifiers: false,
+    minifySyntax: true,
+    minifyWhitespace: false,
+    treeShaking: true,
+  }
+
+  esbuildConfig.platform = 'neutral'
+  esbuildConfig.mainFields = ['browser', 'module', 'main']
+  esbuildConfig.target = ['firefox57', 'chrome58']
+  esbuildConfig.conditions = ['browser', 'node']
+
+  const ctx = await esbuild.context({
+    ...esbuildConfig,
+    outfile: path.join(packageRoot, 'dist/index.js'),
+    format: 'cjs',
+  })
+
+  if (watch) {
+    await ctx.watch()
+  } else {
+    await ctx.rebuild()
+    await ctx.dispose()
+  }
+}
diff --git a/packages/core/devEnv/createBundles.ts b/packages/core/devEnv/createBundles.ts
deleted file mode 100644
index 5705cb3937..0000000000
--- a/packages/core/devEnv/createBundles.ts
+++ /dev/null
@@ -1,101 +0,0 @@
-import path from 'path'
-import * as esbuild from 'esbuild'
-import {definedGlobals} from './definedGlobals'
-
-export async function createBundles(watch: boolean) {
-  for (const which of ['core', 'studio']) {
-    const pathToPackage = path.join(__dirname, '../', which)
-    const esbuildConfig: Parameters<typeof esbuild.context>[0] = {
-      entryPoints: [path.join(pathToPackage, 'src/index.ts')],
-      target: ['es6'],
-      loader: {'.png': 'file', '.svg': 'dataurl'},
-      bundle: true,
-      sourcemap: true,
-      supported: {
-        // 'unicode-escapes': false,
-        'template-literal': false,
-      },
-      define: {
-        ...definedGlobals,
-        __IS_VISUAL_REGRESSION_TESTING: 'false',
-      },
-      external: [
-        '@theatre/dataverse',
-        /**
-         * Prevents double-bundling react.
-         *
-         * @remarks
-         * Ideally we'd want to just bundle our own fixed version of react to keep things
-         * simple, but for now we keep react external because we're exposing these
-         * react-dependant API from \@theatre/studio:
-         *
-         * - `ToolbarIconButton`
-         * - `IStudio['extend']({globalToolbar: {component}})`
-         *
-         * These are further exposed by \@theatre/r3f which provides `<Wrapper />`
-         * as an API.
-         *
-         * It's probably possible to bundle our own react version and somehow share it
-         * with the plugins, but that's not urgent atm.
-         */
-        // 'react',
-        // 'react-dom',
-        // 'styled-components',
-      ],
-    }
-
-    if (which === 'core') {
-      esbuildConfig.platform = 'neutral'
-      esbuildConfig.mainFields = ['browser', 'module', 'main']
-      esbuildConfig.target = ['firefox57', 'chrome58']
-      esbuildConfig.conditions = ['browser', 'node']
-    } else {
-      esbuildConfig.define!['process.env.NODE_ENV'] =
-        JSON.stringify('production')
-
-      esbuildConfig.minify = true
-    }
-
-    const ctx = await esbuild.context({
-      ...esbuildConfig,
-      outfile: path.join(pathToPackage, 'dist/index.js'),
-      format: 'cjs',
-    })
-
-    if (watch) {
-      await ctx.watch()
-    } else {
-      await ctx.rebuild()
-      await ctx.dispose()
-    }
-
-    /**
-     * @remarks
-     * I just disabled ESM builds because I couldn't get them to work
-     * with create-react-app which uses webpack v4. I'm sure that's fixable,
-     * but not worth the hassle right now. There is not much to tree-shake
-     * in \@theatre/core as we've done all the tree-shaking pre-bundle already.
-     */
-
-    // build({
-    //   ...esbuildConfig,
-    //   outfile: path.join(pathToPackage, 'dist/index.mjs'),
-    //   format: 'esm',
-    // })
-
-    // build({
-    //   ...esbuildConfig,
-    //   outfile: path.join(pathToPackage, 'dist/index.min.js'),
-    //   format: 'iife',
-    //   external: [],
-    //   minify: true,
-    //   globalName: `Theatre.${which}`,
-    //   legalComments: 'external',
-    //   platform: 'browser',
-    //   define: {
-    //     ...definedGlobals,
-    //     'process.env.NODE_ENV': JSON.stringify('production'),
-    //   },
-    // })
-  }
-}
diff --git a/packages/core/devEnv/declarations-bundler/rollup.config.js b/packages/core/devEnv/declarations-bundler/rollup.config.js
index 02161539dc..7566e8f1db 100644
--- a/packages/core/devEnv/declarations-bundler/rollup.config.js
+++ b/packages/core/devEnv/declarations-bundler/rollup.config.js
@@ -1,56 +1,55 @@
 import alias from '@rollup/plugin-alias'
 import path from 'path'
-import dts from 'rollup-plugin-dts'
-
-const fromPrivatePackage = (s) => path.join(__dirname, '../..', s)
-
-const config = ['studio', 'core'].map((which) => {
-  const fromPackage = (s) => path.join(fromPrivatePackage(`${which}`), s)
-
-  return {
-    input: {
-      [which]: fromPrivatePackage(`.temp/declarations/${which}/src/index.d.ts`),
-    },
-    output: {
-      dir: fromPackage('dist'),
-      entryFileNames: 'index.d.ts',
-      format: 'es',
-    },
-    external: (s) => {
-      if (
-        s === '@theatre/dataverse' ||
-        s.startsWith(`@theatre/${which === 'studio' ? 'core' : 'studio'}`)
-      ) {
-        return true
-      }
-
-      if (s.startsWith('@theatre')) {
-        return false
-      }
-
-      if (s.startsWith('/') || s.startsWith('./') || s.startsWith('../')) {
-        return false
-      }
-
+import {dts} from 'rollup-plugin-dts'
+
+const fromPackages = (s) => path.join(__dirname, '../../../', s)
+const fromPackage = (s) => path.join(__dirname, '../..', s)
+
+const config = {
+  input: fromPackage(`.temp/declarations/src/index.d.ts`),
+  output: {
+    dir: fromPackage('dist'),
+    entryFileNames: 'index.d.ts',
+    format: 'es',
+  },
+  external: (s) => {
+    if (s === '@theatre/dataverse') {
       return true
-    },
-
-    plugins: [
-      dts({respectExternal: true}),
-      alias({
-        entries: [
-          {
-            find: `@theatre/${which}`,
-            replacement: fromPrivatePackage(`.temp/declarations/${which}/src`),
-          },
-          {
-            find: '@theatre/shared',
-            replacement: fromPrivatePackage('.temp/declarations/shared/src'),
-          },
-        ],
-      }),
-    ],
-  }
-})
+    }
+
+    if (s.startsWith('@theatre')) {
+      return false
+    }
+
+    if (s.startsWith('/') || s.startsWith('./') || s.startsWith('../')) {
+      return false
+    }
+
+    return true
+  },
+
+  plugins: [
+    dts({
+      respectExternal: true,
+      compilerOptions: {
+        paths: {
+          '@theatre/core': [fromPackage(`.temp/declarations/src`)],
+        },
+      },
+    }),
+    alias({
+      entries: [
+        {
+          find: `@theatre/core`,
+          replacement: fromPackage(`.temp/declarations/src`),
+        },
+        {
+          find: `@theatre/utils`,
+          replacement: fromPackages(`utils/src`),
+        },
+      ],
+    }),
+  ],
+}
 
 export default config
diff --git a/packages/core/devEnv/definedGlobals.ts b/packages/core/devEnv/definedGlobals.ts
index 495e1e09f0..72b48d1301 100644
--- a/packages/core/devEnv/definedGlobals.ts
+++ b/packages/core/devEnv/definedGlobals.ts
@@ -1,14 +1,24 @@
-/**
- * @see `../globals.d.ts` for the types of these globals
- * TODO make the globals typesafe
- */
-export const definedGlobals = {
-  'process.env.THEATRE_VERSION': JSON.stringify(
-    require('../package.json').version,
-  ),
+import type {Env} from '@theatre/core/envSchema'
+import type {$IntentionalAny} from '@theatre/utils/types'
+// This file gets imported by other packages who may ot have set up path aliases, so we should use relative imports here
+// eslint-disable-next-line no-relative-imports
+import {fullSchema} from '../src/envSchema'
+
+const env: Env = {
+  THEATRE_VERSION: require('../package.json').version,
+  BUILT_FOR_PLAYGROUND: 'false',
+  BACKEND_URL: `https://app.theatrejs.com`,
+}
+
+fullSchema.parse(env)
+
+export const definedGlobals: Record<string, string> = {
   // json-touch-patch (an unmaintained package) reads this value. We patch it to just 'Set', becauce
   // this is only used in `@theatre/studio`, which only supports evergreen browsers
   'global.Set': 'Set',
-  'process.env.BUILT_FOR_PLAYGROUND': JSON.stringify('false'),
-  'process.env.BACKEND_URL': JSON.stringify(`https://app.theatrejs.com`),
+}
+
+for (const entry of Object.entries(env)) {
+  const [key, value] = entry as $IntentionalAny
+  definedGlobals[`process.env.${key}`] = JSON.stringify(value)
 }
diff --git a/packages/core/devEnv/watch.ts b/packages/core/devEnv/watch.ts
deleted file mode 100644
index 71de62a1d2..0000000000
--- a/packages/core/devEnv/watch.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import {createBundles} from './createBundles'
-
-void createBundles(true)
diff --git a/packages/core/globals.d.ts b/packages/core/globals.d.ts
index d209c9152a..4b436f77ca 100644
--- a/packages/core/globals.d.ts
+++ b/packages/core/globals.d.ts
@@ -6,19 +6,6 @@ declare module globalThis {
   var __THEATREJS__FORCE_CONNECT_CORE_AND_STUDIO: boolean | undefined
 }
 
-declare namespace NodeJS {
-  interface Global {}
-
-  interface ProcessEnv {
-    NODE_ENV: 'development' | 'production' | 'test'
-    // The version of the package, as defined in package.json
-    THEATRE_VERSION: string
-    // This is set to 'true' when building the playground
-    BUILT_FOR_PLAYGROUND: 'true' | 'false'
-    BACKEND_URL?: string // defaults to https://app.theatrejs.com
-  }
-}
-
 interface NodeModule {
   hot?: {
     accept(path: string, callback: () => void): void
@@ -26,7 +13,6 @@ interface NodeModule {
 }
 
 interface Window {
-  __REDUX_DEVTOOLS_EXTENSION__?: $IntentionalAny
   __IS_VISUAL_REGRESSION_TESTING?: boolean
 }
 
diff --git a/packages/core/package.json b/packages/core/package.json
index 75970ba01f..4f5d0460e9 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -20,17 +20,31 @@
     "dist/*"
   ],
   "scripts": {
-    "prepublish": "node ../../devEnv/ensurePublishing.js"
+    "prepublish": "node ../../devEnv/ensurePublishing.js",
+    "typecheck": "tsc --build",
+    "cli": "tsx devEnv/cli.ts",
+    "build": "yarn cli build"
   },
   "sideEffects": true,
   "devDependencies": {
+    "@rollup/plugin-alias": "^5.1.0",
+    "@rollup/plugin-multi-entry": "^6.0.1",
+    "@rollup/plugin-replace": "^5.0.5",
+    "@rollup/plugin-typescript": "^11.1.5",
     "@theatre/utils": "workspace:*",
     "@types/node": "^20.10.5",
+    "@types/rollup": "0.54.0",
     "esbuild": "0.18.17",
-    "esbuild-register": "2.5.0",
     "fast-deep-equal": "^3.1.3",
     "lodash-es": "4.17.21",
-    "timing-function": "^0.2.3"
+    "rollup": "^4.9.2",
+    "rollup-plugin-dts": "^6.1.0",
+    "sade": "^1.8.1",
+    "timing-function": "^0.2.3",
+    "tsx": "4.7.0",
+    "typescript": "5.1.6",
+    "zod": "^3.21.4",
+    "zod-validation-error": "^1.3.1"
   },
   "dependencies": {
     "@theatre/dataverse": "workspace:*"
diff --git a/packages/core/src/CoreBundle.ts b/packages/core/src/CoreBundle.ts
index 4588345f9f..ce9d6fc9cc 100644
--- a/packages/core/src/CoreBundle.ts
+++ b/packages/core/src/CoreBundle.ts
@@ -3,7 +3,8 @@ import projectsSingleton from './projects/projectsSingleton'
 import {privateAPI} from './privateAPIs'
 import * as coreExports from './coreExports'
 import {getCoreRafDriver} from './coreTicker'
-import type {$____FixmeStudio} from '@theatre/utils/types'
+import type {$____FixmeStudio} from '@theatre/core/types/public'
+import {env} from './env'
 
 type Studio = $____FixmeStudio
 
@@ -23,7 +24,7 @@ export default class CoreBundle {
   }
 
   get version() {
-    return process.env.THEATRE_VERSION
+    return env.THEATRE_VERSION
   }
 
   getBitsForStudio(studio: Studio, callback: (bits: CoreBits) => void) {
diff --git a/packages/core/src/coreExports.ts b/packages/core/src/coreExports.ts
index 500524b8ff..05d7959271 100644
--- a/packages/core/src/coreExports.ts
+++ b/packages/core/src/coreExports.ts
@@ -6,7 +6,7 @@ import deepEqual from 'fast-deep-equal'
 import type {PointerType, Prism} from '@theatre/dataverse'
 import {isPointer} from '@theatre/dataverse'
 import {isPrism, pointerToPrism} from '@theatre/dataverse'
-import type {$IntentionalAny, VoidFn} from '@theatre/utils/types'
+import type {$IntentionalAny, VoidFn} from '@theatre/core/types/public'
 import type {ProjectId} from '@theatre/core/types/public'
 import {getCoreTicker} from './coreTicker'
 import {privateAPI} from './privateAPIs'
diff --git a/packages/core/src/env.ts b/packages/core/src/env.ts
new file mode 100644
index 0000000000..31855a5ca6
--- /dev/null
+++ b/packages/core/src/env.ts
@@ -0,0 +1,4 @@
+import type {Env} from './envSchema'
+
+// process.env is guaranteed to be of type Env, because we validate it in the `devEnv` scripts.
+export const env = process.env as Env
diff --git a/packages/core/src/envSchema.ts b/packages/core/src/envSchema.ts
new file mode 100644
index 0000000000..37afa40b7b
--- /dev/null
+++ b/packages/core/src/envSchema.ts
@@ -0,0 +1,37 @@
+import z from 'zod'
+
+// the env variables that both development and production require
+const commonSchema = z.object({
+  BUILT_FOR_PLAYGROUND: z
+    .enum(['true', 'false'])
+    .describe(
+      `Whether the app is built for packages/playground. If true, some behavior is different, e.g. the update checker is disabled.`,
+    ),
+  THEATRE_VERSION: z
+    .string()
+    .describe(`The version of the package, as defined in package.json`),
+  BACKEND_URL: z.optional(
+    z
+      .string()
+      .url()
+      .describe(
+        `the url to the app, like 'http://localhost:3000'. If the protocol is omitted,` +
+          ` then https is assumed. If the port is omitted, then 80 is assumed.`,
+      ),
+  ),
+})
+
+// the env variables that are required in development (devOnly and commonSchema)
+export const devSchema = commonSchema.extend({
+  // NODE_ENV: z.literal('development'),
+})
+
+// the env variables that are only required in production
+export const productionSchema = commonSchema.extend({
+  // NODE_ENV: z.literal('production'),
+})
+
+// the env variables that are required in both development and production
+export const fullSchema = z.union([productionSchema, devSchema])
+
+export type Env = z.infer<typeof fullSchema>
diff --git a/packages/core/src/index.ts b/packages/core/src/index.ts
index 7ce6bfad4b..8f3282849f 100644
--- a/packages/core/src/index.ts
+++ b/packages/core/src/index.ts
@@ -7,14 +7,9 @@
 export * from './coreExports'
 export * from './types/public'
 import {defer} from '@theatre/utils/defer'
-// export type {IProject, IProjectConfig} from './projects/TheatreProject'
-// export type {ISequence} from './sequences/TheatreSequence'
-// export type {ISheetObject} from './sheetObjects/TheatreSheetObject'
-// export type {ISheet} from './sheets/TheatreSheet'
-// import type StudioBundle from '@theatre/studio/StudioBundle'
 import CoreBundle from './CoreBundle'
 import {globalVariableNames} from './globals'
-import type {$____FixmeStudio} from '@theatre/utils/types'
+import type {$____FixmeStudio} from '@theatre/core/types/public'
 import type {IStudio, InitOpts} from './types/public'
 
 const studioDeferred = defer<$____FixmeStudio>()
@@ -131,7 +126,7 @@ function registerCoreBundle() {
 
   const coreBundle = new CoreBundle({
     onAttach: (s) => {
-      initOptsDeferred.promise.then((opts) => {
+      void initOptsDeferred.promise.then((opts) => {
         s.initialize(opts)
         studioDeferred.resolve(s)
       })
diff --git a/packages/core/src/privateAPIs.ts b/packages/core/src/privateAPIs.ts
index 26c6f78427..90de68420c 100644
--- a/packages/core/src/privateAPIs.ts
+++ b/packages/core/src/privateAPIs.ts
@@ -11,7 +11,7 @@ import type {
   ISheetObject,
   UnknownShorthandCompoundProps,
 } from './types/public'
-import type {$IntentionalAny} from '@theatre/utils/types'
+import type {$IntentionalAny} from '@theatre/core/types/public'
 
 const publicAPIToPrivateAPIMap = new WeakMap()
 
diff --git a/packages/core/src/projects/Project.ts b/packages/core/src/projects/Project.ts
index 84bc813294..e246d9729b 100644
--- a/packages/core/src/projects/Project.ts
+++ b/packages/core/src/projects/Project.ts
@@ -22,7 +22,10 @@ import type {
   SheetInstanceId,
 } from '@theatre/core/types/public'
 
-import type {$IntentionalAny, $____FixmeStudio} from '@theatre/utils/types'
+import type {
+  $IntentionalAny,
+  $____FixmeStudio,
+} from '@theatre/core/types/public'
 import {InvalidArgumentError} from '@theatre/utils/errors'
 import userReadableTypeOfValue from '@theatre/utils/userReadableTypeOfValue'
 
diff --git a/packages/core/src/projects/initialiseProjectState.ts b/packages/core/src/projects/initialiseProjectState.ts
index c79f417b2c..a1f15c1afc 100644
--- a/packages/core/src/projects/initialiseProjectState.ts
+++ b/packages/core/src/projects/initialiseProjectState.ts
@@ -4,7 +4,7 @@ import type Project from './Project'
 import type {OnDiskState} from '@theatre/core/types/private/core'
 import {globals} from '@theatre/core/globals'
 import {val} from '@theatre/dataverse'
-import type {$____FixmeStudio} from '@theatre/utils/types'
+import type {$____FixmeStudio} from '@theatre/core/types/public'
 
 type Studio = $____FixmeStudio
 
diff --git a/packages/core/src/propTypes/index.ts b/packages/core/src/propTypes/index.ts
index cebe91b652..6f7941b97f 100644
--- a/packages/core/src/propTypes/index.ts
+++ b/packages/core/src/propTypes/index.ts
@@ -1,4 +1,4 @@
-import type {$FixMe, $IntentionalAny} from '@theatre/utils/types'
+import type {$FixMe, $IntentionalAny} from '@theatre/core/types/public'
 import userReadableTypeOfValue from '@theatre/utils/userReadableTypeOfValue'
 
 import {
diff --git a/packages/core/src/propTypes/internals.ts b/packages/core/src/propTypes/internals.ts
index 2552bfc90e..1a0285debc 100644
--- a/packages/core/src/propTypes/internals.ts
+++ b/packages/core/src/propTypes/internals.ts
@@ -1,5 +1,5 @@
 import {InvalidArgumentError} from '@theatre/utils/errors'
-import type {$IntentionalAny} from '@theatre/utils/types'
+import type {$IntentionalAny} from '@theatre/core/types/public'
 import userReadableTypeOfValue from '@theatre/utils/userReadableTypeOfValue'
 import {isPlainObject} from 'lodash-es'
 import {
diff --git a/packages/core/src/propTypes/utils.ts b/packages/core/src/propTypes/utils.ts
index 32748d7239..1a1666d22c 100644
--- a/packages/core/src/propTypes/utils.ts
+++ b/packages/core/src/propTypes/utils.ts
@@ -4,9 +4,9 @@ import type {
   PropTypeConfig_AllSimples,
   PropTypeConfig_Compound,
   PropTypeConfig_Enum,
+  PathToProp,
+  $IntentionalAny,
 } from '@theatre/core/types/public'
-import type {PathToProp} from '@theatre/utils/pathToProp'
-import type {$IntentionalAny} from '@theatre/utils/types'
 import memoizeFn from '@theatre/utils/memoizeFn'
 
 /**
diff --git a/packages/core/src/sheetObjects/SheetObject.ts b/packages/core/src/sheetObjects/SheetObject.ts
index 0712a12777..7bf492bbf6 100644
--- a/packages/core/src/sheetObjects/SheetObject.ts
+++ b/packages/core/src/sheetObjects/SheetObject.ts
@@ -6,7 +6,7 @@ import deepMergeWithCache from '@theatre/utils/deepMergeWithCache'
 import type {SequenceTrackId} from '@theatre/core/types/public'
 import pointerDeep from '@theatre/utils/pointerDeep'
 import SimpleCache from '@theatre/utils/SimpleCache'
-import type {$FixMe, $IntentionalAny} from '@theatre/utils/types'
+import type {$FixMe, $IntentionalAny} from '@theatre/core/types/public'
 import {valToAtom} from '@theatre/utils/valToAtom'
 import type {PointerToPrismProvider, Prism, Pointer} from '@theatre/dataverse'
 import {Atom, getPointerParts, pointer, prism, val} from '@theatre/dataverse'
diff --git a/packages/core/src/sheetObjects/SheetObjectTemplate.ts b/packages/core/src/sheetObjects/SheetObjectTemplate.ts
index cd9f133b55..0d4c1e959d 100644
--- a/packages/core/src/sheetObjects/SheetObjectTemplate.ts
+++ b/packages/core/src/sheetObjects/SheetObjectTemplate.ts
@@ -16,7 +16,7 @@ import type {
   SequenceTrackId,
 } from '@theatre/core/types/public'
 import SimpleCache from '@theatre/utils/SimpleCache'
-import type {$FixMe, $IntentionalAny} from '@theatre/utils/types'
+import type {$FixMe, $IntentionalAny} from '@theatre/core/types/public'
 import type {Prism, Pointer} from '@theatre/dataverse'
 import {Atom, getPointerParts, prism, val} from '@theatre/dataverse'
 import set from 'lodash-es/set'
diff --git a/packages/core/src/sheetObjects/TheatreSheetObject.ts b/packages/core/src/sheetObjects/TheatreSheetObject.ts
index f66d8f07a2..0651150b02 100644
--- a/packages/core/src/sheetObjects/TheatreSheetObject.ts
+++ b/packages/core/src/sheetObjects/TheatreSheetObject.ts
@@ -1,7 +1,7 @@
 import {privateAPI, setPrivateAPI} from '@theatre/core/privateAPIs'
 import type {SheetObjectAddress} from '@theatre/core/types/public'
 import SimpleCache from '@theatre/utils/SimpleCache'
-import type {$FixMe, VoidFn} from '@theatre/utils/types'
+import type {$FixMe, VoidFn} from '@theatre/core/types/public'
 import type {Prism, Pointer} from '@theatre/dataverse'
 import {prism, val} from '@theatre/dataverse'
 import type SheetObject from './SheetObject'
diff --git a/packages/core/src/sheetObjects/getOrderingOfPropTypeConfig.ts b/packages/core/src/sheetObjects/getOrderingOfPropTypeConfig.ts
index d1256700df..003b68b81d 100644
--- a/packages/core/src/sheetObjects/getOrderingOfPropTypeConfig.ts
+++ b/packages/core/src/sheetObjects/getOrderingOfPropTypeConfig.ts
@@ -1,4 +1,4 @@
-import type {$IntentionalAny} from '@theatre/utils/types'
+import type {$IntentionalAny} from '@theatre/core/types/public'
 import type {
   PropTypeConfig,
   PropTypeConfig_Compound,
diff --git a/packages/core/src/sheetObjects/getPropDefaultsOfSheetObject.ts b/packages/core/src/sheetObjects/getPropDefaultsOfSheetObject.ts
index 8c1fedc8a6..b630e5a346 100644
--- a/packages/core/src/sheetObjects/getPropDefaultsOfSheetObject.ts
+++ b/packages/core/src/sheetObjects/getPropDefaultsOfSheetObject.ts
@@ -1,4 +1,4 @@
-import type {$FixMe} from '@theatre/utils/types'
+import type {$FixMe} from '@theatre/core/types/public'
 import type {
   PropTypeConfig,
   PropTypeConfig_Compound,
diff --git a/packages/core/src/sheets/Sheet.ts b/packages/core/src/sheets/Sheet.ts
index 18d7ff9a00..23c29d8299 100644
--- a/packages/core/src/sheets/Sheet.ts
+++ b/packages/core/src/sheets/Sheet.ts
@@ -9,7 +9,7 @@ import type {
   ObjectAddressKey,
   SheetInstanceId,
 } from '@theatre/core/types/public'
-import type {StrictRecord} from '@theatre/utils/types'
+import type {StrictRecord} from '@theatre/core/types/public'
 import {isInteger} from 'lodash-es'
 import type {
   SheetObjectActionsConfig,
diff --git a/packages/core/src/sheets/SheetTemplate.ts b/packages/core/src/sheets/SheetTemplate.ts
index af7b950c18..328851a2d8 100644
--- a/packages/core/src/sheets/SheetTemplate.ts
+++ b/packages/core/src/sheets/SheetTemplate.ts
@@ -14,7 +14,7 @@ import type {
   SheetId,
   SheetInstanceId,
 } from '@theatre/core/types/public'
-import type {StrictRecord} from '@theatre/utils/types'
+import type {StrictRecord} from '@theatre/core/types/public'
 import type {
   SheetObjectActionsConfig,
   SheetObjectPropTypeConfig,
diff --git a/packages/core/src/sheets/TheatreSheet.ts b/packages/core/src/sheets/TheatreSheet.ts
index 2115c3dae4..915e7d086a 100644
--- a/packages/core/src/sheets/TheatreSheet.ts
+++ b/packages/core/src/sheets/TheatreSheet.ts
@@ -4,7 +4,7 @@ import type Sheet from '@theatre/core/sheets/Sheet'
 import type {SheetAddress} from '@theatre/core/types/public'
 import {InvalidArgumentError} from '@theatre/utils/errors'
 import {validateAndSanitiseSlashedPathOrThrow} from '@theatre/utils/slashedPaths'
-import type {$FixMe, $IntentionalAny} from '@theatre/utils/types'
+import type {$FixMe, $IntentionalAny} from '@theatre/core/types/public'
 import userReadableTypeOfValue from '@theatre/utils/userReadableTypeOfValue'
 import deepEqual from 'fast-deep-equal'
 import type SheetObject from '@theatre/core/sheetObjects/SheetObject'
diff --git a/packages/core/src/types/private/core.ts b/packages/core/src/types/private/core.ts
index c99244a79d..1edcb14498 100644
--- a/packages/core/src/types/private/core.ts
+++ b/packages/core/src/types/private/core.ts
@@ -9,7 +9,7 @@ import type {
   SequenceTrackId,
   SheetId,
 } from '@theatre/core/types/public'
-import type {StrictRecord} from '@theatre/utils/types'
+import type {StrictRecord} from '@theatre/core/types/public'
 
 export interface SheetState_Historic {
   /**
diff --git a/packages/core/src/types/private/studio/ahistoric.ts b/packages/core/src/types/private/studio/ahistoric.ts
index 5a6ba6dc1e..bf34cadf6a 100644
--- a/packages/core/src/types/private/studio/ahistoric.ts
+++ b/packages/core/src/types/private/studio/ahistoric.ts
@@ -1,4 +1,4 @@
-import type {StrictRecord} from '@theatre/utils/types'
+import type {StrictRecord} from '@theatre/core/types/public'
 import type {PointableSet} from '@theatre/utils/PointableSet'
 import type {StudioSheetItemKey} from '@theatre/core/types/private/studio'
 import type {
diff --git a/packages/core/src/types/private/studio/ephemeral.ts b/packages/core/src/types/private/studio/ephemeral.ts
index 504bdfb921..9142d47332 100644
--- a/packages/core/src/types/private/studio/ephemeral.ts
+++ b/packages/core/src/types/private/studio/ephemeral.ts
@@ -4,7 +4,7 @@ import type {
   SerializableMap,
   SheetId,
 } from '@theatre/core/types/public'
-import type {StrictRecord} from '@theatre/utils/types'
+import type {StrictRecord} from '@theatre/core/types/public'
 
 /**
  * Technically, all parts of the ephemeral state can be implemented
diff --git a/packages/core/src/types/private/studio/historic.ts b/packages/core/src/types/private/studio/historic.ts
index eab2cd8dba..5e07d59204 100644
--- a/packages/core/src/types/private/studio/historic.ts
+++ b/packages/core/src/types/private/studio/historic.ts
@@ -8,7 +8,7 @@ import type {
   SequenceMarkerId,
 } from '@theatre/core/types/public'
 import type {PathToProp_Encoded} from '@theatre/utils/pathToProp'
-import type {StrictRecord} from '@theatre/utils/types'
+import type {StrictRecord} from '@theatre/core/types/public'
 import type {PointableSet} from '@theatre/utils/PointableSet'
 import type {
   ObjectAddressKey,
diff --git a/packages/core/src/types/public.ts b/packages/core/src/types/public.ts
index 6c2aae2d4b..3cf7923e54 100644
--- a/packages/core/src/types/public.ts
+++ b/packages/core/src/types/public.ts
@@ -1,14 +1,16 @@
 import type {Pointer} from '@theatre/dataverse'
-import type {OnDiskState} from '@theatre/core/types/private/core'
 
 /** For `any`s that aren't meant to stay `any`*/
 export type $FixMe = any
 /** For `any`s that we don't care about */
 export type $IntentionalAny = any
 
-/** temporary any type until we move all of studio's types to core */
 export type $____FixmeStudio = any
 
+/** temporary any type until we move all of studio's types to core */
+
+export type PathToProp = Array<string | number>
+
 /**
  * This is equivalent to `Partial<Record<Key, V>>` being used to describe a sort of Map
  * where the keys might not have values.
@@ -134,9 +136,7 @@ export type SequenceMarkerId = Nominal<'SequenceMarkerId'>
  * already exists, or you should open an issue on GitHub: https://github.com/theatre-js/theatre/issues
  *
  */
-export type __UNSTABLE_Project_OnDiskState = OnDiskState
-
-import type {PathToProp} from '@theatre/utils/pathToProp'
+export type __UNSTABLE_Project_OnDiskState = unknown
 
 /**
  * Addresses are used to identify projects, sheets, objects, and other things.
diff --git a/packages/core/src/utils/instanceTypes.ts b/packages/core/src/utils/instanceTypes.ts
index 7a97df5265..9f810426bf 100644
--- a/packages/core/src/utils/instanceTypes.ts
+++ b/packages/core/src/utils/instanceTypes.ts
@@ -5,7 +5,7 @@ import type SheetObject from '@theatre/core/sheetObjects/SheetObject'
 import type SheetObjectTemplate from '@theatre/core/sheetObjects/SheetObjectTemplate'
 import type Sheet from '@theatre/core/sheets/Sheet'
 import type SheetTemplate from '@theatre/core/sheets/SheetTemplate'
-import type {$IntentionalAny} from '@theatre/utils/types'
+import type {$IntentionalAny} from '@theatre/core/types/public'
 
 /**
  * Since \@theatre/core and \@theatre/studio are separate bundles,
diff --git a/packages/core/src/utils/keyframeUtils.ts b/packages/core/src/utils/keyframeUtils.ts
index c8bf3ed29e..684c032ae1 100644
--- a/packages/core/src/utils/keyframeUtils.ts
+++ b/packages/core/src/utils/keyframeUtils.ts
@@ -1,4 +1,4 @@
-import type {$IntentionalAny} from '@theatre/utils/types'
+import type {$IntentionalAny} from '@theatre/core/types/public'
 import type {BasicKeyframedTrack} from '@theatre/core/types/private/core'
 import memoizeFn from '@theatre/utils/memoizeFn'
 import {cloneDeep} from 'lodash-es'
diff --git a/packages/dataverse/package.json b/packages/dataverse/package.json
index ed45458254..6a069c616f 100644
--- a/packages/dataverse/package.json
+++ b/packages/dataverse/package.json
@@ -22,7 +22,7 @@
     "typecheck": "yarn run build:ts",
     "build": "run-s build:ts build:js build:api-json",
     "build:ts": "tsc --build ./tsconfig.json",
-    "build:js": "node -r esbuild-register ./devEnv/build.ts",
+    "build:js": "tsx ./devEnv/build.ts",
     "build:api-json": "api-extractor run --local --config devEnv/api-extractor.json",
     "prepublish": "node ../../devEnv/ensurePublishing.js",
     "clean": "rm -rf ./dist && rm -f tsconfig.tsbuildinfo",
@@ -35,8 +35,8 @@
     "@types/lodash-es": "^4.17.4",
     "@types/node": "^15.6.2",
     "esbuild": "^0.12.15",
-    "esbuild-register": "^2.5.0",
     "npm-run-all": "^4.1.5",
+    "tsx": "4.7.0",
     "typedoc": "^0.24.8",
     "typedoc-plugin-markdown": "^3.15.4",
     "typescript": "5.1.6"
diff --git a/packages/playground/README.md b/packages/playground/README.md
index 4c919c1b3f..4c6740bdc0 100644
--- a/packages/playground/README.md
+++ b/packages/playground/README.md
@@ -1,6 +1,10 @@
 # The playground
 
-The playground is the quickest way to hack on the internals of Theatre. It also hosts our end-to-end tests. It uses a build setup (see the live-reload esbuild server in [./devEnv/build.ts](./devEnv/build.ts)) that builds all the related packages in one go, so you _don't_ have to run a bunch of build commands separately to start developing.
+The playground is the quickest way to hack on the internals of Theatre. It also
+hosts our end-to-end tests. It uses a build setup (see the live-reload esbuild
+server in [./devEnv/build.ts](./devEnv/build.ts)) that builds all the related
+packages in one go, so you _don't_ have to run a bunch of build commands
+separately to start developing.
 
 ## Directory structure
 
@@ -25,13 +29,19 @@ src/
 
 Simply run `yarn run serve` in this folder to start the dev server.
 
-There are some shared playgrounds in `src/shared` which are committed to the repo. You can make your own playgrounds in `src/personal` which will be `.gitignore`d. Note that every playground must include an entry file called `index.tsx` (as you see in the [Directory structure section](#directory-structure)).
+There are some shared playgrounds in `src/shared` which are committed to the
+repo. You can make your own playgrounds in `src/personal` which will be
+`.gitignore`d. Note that every playground must include an entry file called
+`index.tsx` (as you see in the
+[Directory structure section](#directory-structure)).
 
 ## How to write and run end-to-end tests
 
-The end-to-end tests are in the `src/tests` folder. Look at [directory structure](#directory-structure) to see how test files are organized.
+The end-to-end tests are in the `src/tests` folder. Look at
+[directory structure](#directory-structure) to see how test files are organized.
 
-The end-to-end tests are made using [playwright](https://playwright.dev). You should refer to playwright's documentation 
+The end-to-end tests are made using [playwright](https://playwright.dev). You
+should refer to playwright's documentation
 
 ```bash
 $ cd playground
@@ -43,7 +53,9 @@ $ yarn test --debug # run in debug mode using the inspector: https://playwright.
 
 ### Using playwright codegen
 
-To use [playwright's codegen tool](https://playwright.dev/docs/codegen), first serve the playground and then run the codegen on the a url that points to the playground you wish to test:
+To use [playwright's codegen tool](https://playwright.dev/docs/codegen), first
+serve the playground and then run the codegen on the a url that points to the
+playground you wish to test:
 
 ```bash
 $ cd playground
@@ -53,16 +65,27 @@ $ yarn playwright codegen http://localhost:8080/tests/[playground-name] # run th
 
 ## Visual regression testing
 
-Some `.e2e.ts` files also contain visual regression tetst. These tests run only the the [CI](../../.github/workflows/main.yml) using [Github actions](https://github.com/theatre-js/theatre/actions). Look at the example at [`src/tests/setting-static-props/test.e2e.ts`](src/tests/setting-static-props/test.e2e.ts) for an example of recording and diffing a screenshot.
+Some `.e2e.ts` files also contain visual regression tetst. These tests run only
+the the [CI](../../.github/workflows/main.yml) using
+[Github actions](https://github.com/theatre-js/theatre/actions). Look at the
+example at
+[`src/tests/setting-static-props/test.e2e.ts`](src/tests/setting-static-props/test.e2e.ts)
+for an example of recording and diffing a screenshot.
 
-Note that CI runs the visual regression tests in a linux VM, which is bound to produce a slightly different screenshot than a browser on Mac/Windows. Because of that, we have a `docker-compose.yml` file at the root of the repo which you can use to produce a screenshot in a linux vm. Here is how you can use it:
+Note that CI runs the visual regression tests in a linux VM, which is bound to
+produce a slightly different screenshot than a browser on Mac/Windows. Because
+of that, we have a `docker-compose.yml` file at the root of the repo which you
+can use to produce a screenshot in a linux vm. Here is how you can use it:
 
 ```bash
 $ cd repo
 $ docker-compose up -d # start the linux vm
 $ docker-compose exec -it node bash # ssh into the vm
+$ cd app
 $ yarn
 $ yarn test:e2e:ci
 ```
 
-If you're submitting a PR that breaks the visual regression tests and you're not familiar with Docker, simply ask the mainainers to update the screenshots for you.
\ No newline at end of file
+If you're submitting a PR that breaks the visual regression tests and you're not
+familiar with Docker, simply ask the mainainers to update the screenshots for
+you.
diff --git a/packages/playground/src/shared/camera/index.tsx b/packages/playground/src/shared/camera/index.tsx
index 85870cdf66..2441c858ad 100644
--- a/packages/playground/src/shared/camera/index.tsx
+++ b/packages/playground/src/shared/camera/index.tsx
@@ -4,9 +4,9 @@ import App from './App'
 import theatre from '@theatre/core'
 import extension from '@theatre/r3f/dist/extension'
 
-theatre.getStudio().then((studio) => {
+void theatre.getStudio().then((studio) => {
   studio.extend(extension)
 })
-theatre.init({serverUrl: 'http://localhost:3000'})
+void theatre.init({serverUrl: 'http://localhost:3000'})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
diff --git a/packages/playground/src/shared/custom-editable-components/index.tsx b/packages/playground/src/shared/custom-editable-components/index.tsx
index ba45523bc0..ede4f4f7e0 100644
--- a/packages/playground/src/shared/custom-editable-components/index.tsx
+++ b/packages/playground/src/shared/custom-editable-components/index.tsx
@@ -4,7 +4,7 @@ import App from './App'
 import theatre from '@theatre/core'
 import extension from '@theatre/r3f/dist/extension'
 
-theatre.getStudio().then((studio) => studio.extend(extension))
-theatre.init({studio: true, serverUrl: 'http://localhost:3000'})
+void theatre.getStudio().then((studio) => studio.extend(extension))
+void theatre.init({studio: true, serverUrl: 'http://localhost:3000'})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
diff --git a/packages/playground/src/shared/custom-raf-driver/index.tsx b/packages/playground/src/shared/custom-raf-driver/index.tsx
index b45d5b470c..cb7fa25290 100644
--- a/packages/playground/src/shared/custom-raf-driver/index.tsx
+++ b/packages/playground/src/shared/custom-raf-driver/index.tsx
@@ -10,8 +10,8 @@ setInterval(() => {
   rafDriver.tick(performance.now())
 }, 200)
 
-theatre.getStudio().then((studio) => studio.extend(extension))
-theatre.init({studio: true, __experimental_rafDriver: rafDriver})
+void theatre.getStudio().then((studio) => studio.extend(extension))
+void theatre.init({studio: true, __experimental_rafDriver: rafDriver})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <App rafDriver={rafDriver} />,
diff --git a/packages/playground/src/shared/dom-basic/index.tsx b/packages/playground/src/shared/dom-basic/index.tsx
index 7c03d3c4a6..75f69b8306 100644
--- a/packages/playground/src/shared/dom-basic/index.tsx
+++ b/packages/playground/src/shared/dom-basic/index.tsx
@@ -7,7 +7,7 @@ import {Scene} from './Scene'
  * This is a basic example of using Theatre.js for manipulating the DOM.
  */
 
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <Scene project={getProject('Sample project')} />,
diff --git a/packages/playground/src/shared/dom/index.tsx b/packages/playground/src/shared/dom/index.tsx
index dda7649e85..7404cbf9ca 100644
--- a/packages/playground/src/shared/dom/index.tsx
+++ b/packages/playground/src/shared/dom/index.tsx
@@ -11,7 +11,7 @@ import {Scene} from './Scene'
  * the selection behavior.
  */
 
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <Scene
diff --git a/packages/playground/src/shared/file/index.tsx b/packages/playground/src/shared/file/index.tsx
index ddcfb03cc5..84fba26337 100644
--- a/packages/playground/src/shared/file/index.tsx
+++ b/packages/playground/src/shared/file/index.tsx
@@ -9,7 +9,7 @@ const project = getProject('Image type playground', {
     baseUrl: '/',
   },
 })
-theatre.init({studio: true})
+void theatre.init({studio: true})
 const sheet = project.sheet('Image type')
 
 const Wrapper = styled.div`
diff --git a/packages/playground/src/shared/hello-world-extension-dataverse/index.tsx b/packages/playground/src/shared/hello-world-extension-dataverse/index.tsx
index ed80728a9e..66624f22ea 100644
--- a/packages/playground/src/shared/hello-world-extension-dataverse/index.tsx
+++ b/packages/playground/src/shared/hello-world-extension-dataverse/index.tsx
@@ -22,7 +22,7 @@ import {onChange} from '@theatre/core'
  * This will ensure that our switch's value matches its state and is reflected in the UI via `set(toolset)`.
  */
 
-theatre.getStudio().then((studio) => {
+void theatre.getStudio().then((studio) => {
   studio.extend(extension)
   studio.extend({
     id: '@theatre/hello-world-extension',
@@ -70,6 +70,6 @@ theatre.getStudio().then((studio) => {
     panes: [],
   })
 })
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
diff --git a/packages/playground/src/shared/hello-world-extension-using-sheet-object/index.tsx b/packages/playground/src/shared/hello-world-extension-using-sheet-object/index.tsx
index 9b9c67f428..1855d97b2e 100644
--- a/packages/playground/src/shared/hello-world-extension-using-sheet-object/index.tsx
+++ b/packages/playground/src/shared/hello-world-extension-using-sheet-object/index.tsx
@@ -13,7 +13,7 @@ const dataConfig = {
   }),
 }
 
-theatre.getStudio().then((studio) => {
+void theatre.getStudio().then((studio) => {
   studio.extend(extension)
   studio.extend({
     id: '@theatre/hello-world-extension',
@@ -62,6 +62,6 @@ theatre.getStudio().then((studio) => {
     panes: [],
   })
 })
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
diff --git a/packages/playground/src/shared/hello-world-extension/index.tsx b/packages/playground/src/shared/hello-world-extension/index.tsx
index 7ebb398652..a938396c8b 100644
--- a/packages/playground/src/shared/hello-world-extension/index.tsx
+++ b/packages/playground/src/shared/hello-world-extension/index.tsx
@@ -4,7 +4,7 @@ import App from './App'
 import theatre from '@theatre/core'
 import extension from '@theatre/r3f/dist/extension'
 
-theatre.getStudio().then((studio) => {
+void theatre.getStudio().then((studio) => {
   studio.extend(extension)
   studio.extend({
     id: '@theatre/hello-world-extension',
@@ -92,6 +92,6 @@ theatre.getStudio().then((studio) => {
     ],
   })
 })
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
diff --git a/packages/playground/src/shared/image/index.tsx b/packages/playground/src/shared/image/index.tsx
index 12e78e4998..777e88a913 100644
--- a/packages/playground/src/shared/image/index.tsx
+++ b/packages/playground/src/shared/image/index.tsx
@@ -9,7 +9,7 @@ const project = getProject('Image type playground', {
     baseUrl: '/',
   },
 })
-theatre.init({studio: true})
+void theatre.init({studio: true})
 const sheet = project.sheet('Image type')
 
 const Wrapper = styled.div`
diff --git a/packages/playground/src/shared/instances/index.tsx b/packages/playground/src/shared/instances/index.tsx
index 9f50ab7ede..54947dfa26 100644
--- a/packages/playground/src/shared/instances/index.tsx
+++ b/packages/playground/src/shared/instances/index.tsx
@@ -4,8 +4,8 @@ import App from './App'
 import theatre from '@theatre/core'
 import extension from '@theatre/r3f/dist/extension'
 
-theatre.getStudio().then((studio) => studio.extend(extension))
-theatre.init({studio: true})
+void theatre.getStudio().then((studio) => studio.extend(extension))
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <React.StrictMode>
diff --git a/packages/playground/src/shared/notifications/index.tsx b/packages/playground/src/shared/notifications/index.tsx
index 6e544b6f2b..ee0e5ec476 100644
--- a/packages/playground/src/shared/notifications/index.tsx
+++ b/packages/playground/src/shared/notifications/index.tsx
@@ -4,7 +4,7 @@ import theatre from '@theatre/core'
 import {getProject, notify} from '@theatre/core'
 import {Scene} from './Scene'
 
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 // trigger warning notification
 void getProject('Sample project').sheet('Scene').sequence.play()
diff --git a/packages/playground/src/shared/r3f-rocket/index.tsx b/packages/playground/src/shared/r3f-rocket/index.tsx
index ec4b88c6df..1db2b66c06 100644
--- a/packages/playground/src/shared/r3f-rocket/index.tsx
+++ b/packages/playground/src/shared/r3f-rocket/index.tsx
@@ -4,7 +4,7 @@ import App from './App'
 import theatre from '@theatre/core'
 import extension from '@theatre/r3f/dist/extension'
 
-theatre.getStudio().then((studio) => studio.extend(extension))
-theatre.init({studio: true})
+void theatre.getStudio().then((studio) => studio.extend(extension))
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
diff --git a/packages/playground/src/shared/remote/index.tsx b/packages/playground/src/shared/remote/index.tsx
index 9e8b1f5e65..8d2c71096d 100644
--- a/packages/playground/src/shared/remote/index.tsx
+++ b/packages/playground/src/shared/remote/index.tsx
@@ -6,7 +6,7 @@ import {Scene} from './Scene'
 import RemoteController from './RemoteController'
 
 const project = getProject('Sample project')
-theatre.init({studio: true})
+void theatre.init({studio: true})
 RemoteController(project)
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<Scene />)
diff --git a/packages/playground/src/shared/sync/index.tsx b/packages/playground/src/shared/sync/index.tsx
index 0ae166337d..53aa0b0a0d 100644
--- a/packages/playground/src/shared/sync/index.tsx
+++ b/packages/playground/src/shared/sync/index.tsx
@@ -1,7 +1,7 @@
 import theatre from '@theatre/core'
 import {getProject} from '@theatre/core'
 
-theatre.init({
+void theatre.init({
   studio: true,
   // __experimental_syncServer: 'wss://syncserver-kspg.onrender.com',
   serverUrl: 'http://localhost:3000',
diff --git a/packages/playground/src/shared/three-basic/index.tsx b/packages/playground/src/shared/three-basic/index.tsx
index a624684b3c..4448a443ea 100644
--- a/packages/playground/src/shared/three-basic/index.tsx
+++ b/packages/playground/src/shared/three-basic/index.tsx
@@ -4,7 +4,7 @@ import theatre from '@theatre/core'
 import {getProject} from '@theatre/core'
 import ThreeScene from './ThreeScene'
 
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(
   <ThreeScene project={getProject('Three Basic')} />,
diff --git a/packages/playground/src/shared/turtle/TurtleRenderer.tsx b/packages/playground/src/shared/turtle/TurtleRenderer.tsx
index 64a3509d5a..10f66d39d4 100644
--- a/packages/playground/src/shared/turtle/TurtleRenderer.tsx
+++ b/packages/playground/src/shared/turtle/TurtleRenderer.tsx
@@ -13,7 +13,7 @@ import {types} from '@theatre/core'
 import type {ITurtle} from './turtle'
 import {drawTurtlePlan, makeTurtlePlan} from './turtle'
 
-theatre.init({studio: true})
+void theatre.init({studio: true})
 
 const objConfig = {
   startingPoint: {
diff --git a/packages/playground/src/tests/hot-reload-extension-pane/index.tsx b/packages/playground/src/tests/hot-reload-extension-pane/index.tsx
index f0ef71bc69..ee1bb0c52d 100644
--- a/packages/playground/src/tests/hot-reload-extension-pane/index.tsx
+++ b/packages/playground/src/tests/hot-reload-extension-pane/index.tsx
@@ -9,7 +9,7 @@ const ext1: IExtension = {
   panes: [],
 }
 
-theatre.init({studio: true, usePersistentStorage: false})
+void theatre.init({studio: true, usePersistentStorage: false})
 
 let currentStep = -1
 
diff --git a/packages/playground/src/tests/hot-reload-extension-toolbar/index.tsx b/packages/playground/src/tests/hot-reload-extension-toolbar/index.tsx
index e8ed1454ac..8acddc54c5 100644
--- a/packages/playground/src/tests/hot-reload-extension-toolbar/index.tsx
+++ b/packages/playground/src/tests/hot-reload-extension-toolbar/index.tsx
@@ -28,7 +28,7 @@ const ext1: IExtension = {
   panes: [],
 }
 
-theatre.init({studio: true, usePersistentStorage: false})
+void theatre.init({studio: true, usePersistentStorage: false})
 
 let currentStep = -1
 
diff --git a/packages/playground/src/tests/r3f-dynamic-tree/index.tsx b/packages/playground/src/tests/r3f-dynamic-tree/index.tsx
index 696027b343..49ba9699c6 100644
--- a/packages/playground/src/tests/r3f-dynamic-tree/index.tsx
+++ b/packages/playground/src/tests/r3f-dynamic-tree/index.tsx
@@ -4,7 +4,7 @@ import App from './App'
 import theatre from '@theatre/core'
 import extension from '@theatre/r3f/dist/extension'
 
-theatre.getStudio().then((studio) => studio.extend(extension))
-theatre.init({studio: true, usePersistentStorage: false})
+void theatre.getStudio().then((studio) => studio.extend(extension))
+void theatre.init({studio: true, usePersistentStorage: false})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
diff --git a/packages/playground/src/tests/r3f-stress-test/index.tsx b/packages/playground/src/tests/r3f-stress-test/index.tsx
index 9f41ad5306..a90aa2f5ea 100644
--- a/packages/playground/src/tests/r3f-stress-test/index.tsx
+++ b/packages/playground/src/tests/r3f-stress-test/index.tsx
@@ -7,8 +7,8 @@ import getStudio from '@theatre/studio/getStudio'
 
 const studioPrivate = getStudio()
 
-theatre.getStudio().then((studio) => studio.extend(extension))
-theatre.init({studio: true})
+void theatre.getStudio().then((studio) => studio.extend(extension))
+void theatre.init({studio: true})
 
 ReactDOM.createRoot(document.getElementById('root')!).render(<App />)
 
diff --git a/packages/playground/src/tests/reading-obj-value/index.tsx b/packages/playground/src/tests/reading-obj-value/index.tsx
index ddec7ca543..cbc90d6b9d 100644
--- a/packages/playground/src/tests/reading-obj-value/index.tsx
+++ b/packages/playground/src/tests/reading-obj-value/index.tsx
@@ -1,7 +1,8 @@
 import theatre from '@theatre/core'
 import {getProject, types} from '@theatre/core'
 import state from './reading obj value.theatre-project-state.json'
-theatre.init({studio: true, usePersistentStorage: false})
+
+void theatre.init({studio: true, usePersistentStorage: false})
 
 const project = getProject('reading obj value', {state})
 const TOTAL_ELEMENTS = 300
diff --git a/packages/playground/src/tests/setting-static-props/index.tsx b/packages/playground/src/tests/setting-static-props/index.tsx
index b3f2a98150..cf1ecd25fa 100644
--- a/packages/playground/src/tests/setting-static-props/index.tsx
+++ b/packages/playground/src/tests/setting-static-props/index.tsx
@@ -1,7 +1,7 @@
 import theatre from '@theatre/core'
 import {getProject} from '@theatre/core'
 
-theatre.init({studio: true, usePersistentStorage: false})
+void theatre.init({studio: true, usePersistentStorage: false})
 
 const project = getProject('sample project')
 const sheet = project.sheet('sample sheet')
diff --git a/packages/r3f/devEnv/bundle.ts b/packages/r3f/devEnv/bundle.ts
index 6a4b1be6f7..097f794814 100644
--- a/packages/r3f/devEnv/bundle.ts
+++ b/packages/r3f/devEnv/bundle.ts
@@ -2,9 +2,6 @@ import path = require('path')
 import {build} from 'esbuild'
 
 const definedGlobals = {
-  'process.env.THEATRE_VERSION': JSON.stringify(
-    require('../package.json').version,
-  ),
   'process.env.NODE_ENV': JSON.stringify('production'),
 }
 
diff --git a/packages/r3f/package.json b/packages/r3f/package.json
index 97113d15bf..ee7b6f61a5 100644
--- a/packages/r3f/package.json
+++ b/packages/r3f/package.json
@@ -41,7 +41,7 @@
     "prepack": "yarn run build",
     "typecheck": "yarn run build",
     "build": "run-s build:ts build:js",
-    "build:js": "node -r esbuild-register devEnv/bundle.ts",
+    "build:js": "tsx devEnv/bundle.ts",
     "build:ts": "tsc --build ./tsconfig.json",
     "prepublish": "yarn run build",
     "clean": "rm -rf ./dist && rm -f tsconfig.tsbuildinfo"
@@ -59,7 +59,6 @@
     "@types/styled-components": "^5.1.26",
     "@types/three": "0.155.0",
     "esbuild": "^0.18.17",
-    "esbuild-register": "^3.4.2",
     "lodash-es": "^4.17.21",
     "npm-run-all": "^4.1.5",
     "polished": "^4.1.3",
@@ -73,6 +72,7 @@
     "styled-components": "^5.3.11",
     "three": "0.155.0",
     "three-stdlib": "^2.24.1",
+    "tsx": "4.7.0",
     "typescript": "5.1.6",
     "zustand": "^3.5.1"
   },
diff --git a/packages/react/package.json b/packages/react/package.json
index d70c8a95c0..13359f4632 100644
--- a/packages/react/package.json
+++ b/packages/react/package.json
@@ -22,7 +22,7 @@
     "typecheck": "yarn run build",
     "build": "run-s build:ts build:js build:api-json",
     "build:ts": "tsc --build ./tsconfig.json",
-    "build:js": "node -r esbuild-register ./devEnv/build.ts",
+    "build:js": "tsx ./devEnv/build.ts",
     "build:api-json": "api-extractor run --local --config devEnv/api-extractor.json",
     "prepublish": "node ../../devEnv/ensurePublishing.js",
     "clean": "rm -rf ./dist && rm -f tsconfig.tsbuildinfo"
@@ -35,8 +35,8 @@
     "@types/react": "^17.0.9",
     "@types/react-dom": "^17.0.6",
     "esbuild": "^0.12.15",
-    "esbuild-register": "^2.5.0",
     "npm-run-all": "^4.1.5",
+    "tsx": "4.7.0",
     "typescript": "5.1.6"
   },
   "dependencies": {
diff --git a/packages/saaz/package.json b/packages/saaz/package.json
index c0b08f6d53..25536618cd 100644
--- a/packages/saaz/package.json
+++ b/packages/saaz/package.json
@@ -22,7 +22,7 @@
     "typecheck": "yarn run build:ts",
     "build": "run-s build:ts build:js build:api-json",
     "build:ts": "tsc --build ./tsconfig.json",
-    "build:js": "node -r esbuild-register ./devEnv/build.ts",
+    "build:js": "tsx ./devEnv/build.ts",
     "build:api-json": "api-extractor run --local --config devEnv/api-extractor.json",
     "prepublish": "node ../../devEnv/ensurePublishing.js",
     "clean": "rm -rf ./dist && rm -f tsconfig.tsbuildinfo",
@@ -37,13 +37,13 @@
     "@types/lodash-es": "^4.17.4",
     "@types/node": "^15.6.2",
     "esbuild": "^0.12.15",
-    "esbuild-register": "^2.5.0",
     "fast-deep-equal": "^3.1.3",
     "immer": "^9.0.6",
     "jest-diff": "^29.6.4",
     "lodash-es": "^4.17.21",
     "nanoid": "^4.0.2",
     "npm-run-all": "^4.1.5",
+    "tsx": "4.7.0",
     "typedoc": "^0.24.8",
     "typedoc-plugin-markdown": "^3.15.4",
     "typescript": "5.1.6"
diff --git a/packages/studio/devEnv/bundle.ts b/packages/studio/devEnv/bundle.ts
deleted file mode 100644
index 7396b41fbf..0000000000
--- a/packages/studio/devEnv/bundle.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import {createBundles} from './createBundles'
-
-void createBundles(false)
diff --git a/packages/studio/devEnv/cli.ts b/packages/studio/devEnv/cli.ts
new file mode 100644
index 0000000000..37a3bb71aa
--- /dev/null
+++ b/packages/studio/devEnv/cli.ts
@@ -0,0 +1,64 @@
+import sade from 'sade'
+import {path} from '@cspotcode/zx'
+import * as esbuild from 'esbuild'
+// eslint-disable-next-line no-relative-imports
+import {definedGlobals} from '../../core/devEnv/definedGlobals'
+
+const prog = sade('cli')
+
+prog
+  .command('build js', 'Generate the .js bundle')
+  .option('--watch', 'Watch')
+  .action(async (opts) => {
+    await bundle(opts.watch)
+  })
+
+// prog.command('build ts', 'Generate the .d.ts bundle').action(async () => {
+//   await bundleTypes()
+// })
+
+prog.command('build', 'Generate the .js and .d.ts bundles').action(async () => {
+  await Promise.all([bundle(false)])
+})
+
+prog.parse(process.argv)
+
+// async function bundleTypes() {
+//   await $`tsc --build`
+//   await $`rollup -c devEnv/declarations-bundler/rollup.config.js --bundleConfigAsCjs`
+// }
+
+async function bundle(watch: boolean) {
+  const pathToPackage = path.join(__dirname, '..')
+  const esbuildConfig: Parameters<typeof esbuild.context>[0] = {
+    entryPoints: [path.join(pathToPackage, 'src/index.ts')],
+    target: ['es6'],
+    loader: {'.png': 'dataurl', '.svg': 'dataurl'},
+    bundle: true,
+    sourcemap: true,
+    supported: {
+      // 'unicode-escapes': false,
+      'template-literal': false,
+    },
+    define: {
+      ...definedGlobals,
+      __IS_VISUAL_REGRESSION_TESTING: 'false',
+      'process.env.NODE_ENV': '"production"',
+    },
+    external: ['@theatre/dataverse', '@theatre/core'],
+    minify: true,
+  }
+
+  const ctx = await esbuild.context({
+    ...esbuildConfig,
+    outfile: path.join(pathToPackage, 'dist/index.js'),
+    format: 'cjs',
+  })
+
+  if (watch) {
+    await ctx.watch()
+  } else {
+    await ctx.rebuild()
+    await ctx.dispose()
+  }
+}
diff --git a/packages/studio/devEnv/createBundles.ts b/packages/studio/devEnv/createBundles.ts
deleted file mode 100644
index 5705cb3937..0000000000
--- a/packages/studio/devEnv/createBundles.ts
+++ /dev/null
@@ -1,101 +0,0 @@
-import path from 'path'
-import * as esbuild from 'esbuild'
-import {definedGlobals} from './definedGlobals'
-
-export async function createBundles(watch: boolean) {
-  for (const which of ['core', 'studio']) {
-    const pathToPackage = path.join(__dirname, '../', which)
-    const esbuildConfig: Parameters<typeof esbuild.context>[0] = {
-      entryPoints: [path.join(pathToPackage, 'src/index.ts')],
-      target: ['es6'],
-      loader: {'.png': 'file', '.svg': 'dataurl'},
-      bundle: true,
-      sourcemap: true,
-      supported: {
-        // 'unicode-escapes': false,
-        'template-literal': false,
-      },
-      define: {
-        ...definedGlobals,
-        __IS_VISUAL_REGRESSION_TESTING: 'false',
-      },
-      external: [
-        '@theatre/dataverse',
-        /**
-         * Prevents double-bundling react.
-         *
-         * @remarks
-         * Ideally we'd want to just bundle our own fixed version of react to keep things
-         * simple, but for now we keep react external because we're exposing these
-         * react-dependant API from \@theatre/studio:
-         *
-         * - `ToolbarIconButton`
-         * - `IStudio['extend']({globalToolbar: {component}})`
-         *
-         * These are further exposed by \@theatre/r3f which provides `<Wrapper />`
-         * as an API.
-         *
-         * It's probably possible to bundle our own react version and somehow share it
-         * with the plugins, but that's not urgent atm.
-         */
-        // 'react',
-        // 'react-dom',
-        // 'styled-components',
-      ],
-    }
-
-    if (which === 'core') {
-      esbuildConfig.platform = 'neutral'
-      esbuildConfig.mainFields = ['browser', 'module', 'main']
-      esbuildConfig.target = ['firefox57', 'chrome58']
-      esbuildConfig.conditions = ['browser', 'node']
-    } else {
-      esbuildConfig.define!['process.env.NODE_ENV'] =
-        JSON.stringify('production')
-
-      esbuildConfig.minify = true
-    }
-
-    const ctx = await esbuild.context({
-      ...esbuildConfig,
-      outfile: path.join(pathToPackage, 'dist/index.js'),
-      format: 'cjs',
-    })
-
-    if (watch) {
-      await ctx.watch()
-    } else {
-      await ctx.rebuild()
-      await ctx.dispose()
-    }
-
-    /**
-     * @remarks
-     * I just disabled ESM builds because I couldn't get them to work
-     * with create-react-app which uses webpack v4. I'm sure that's fixable,
-     * but not worth the hassle right now. There is not much to tree-shake
-     * in \@theatre/core as we've done all the tree-shaking pre-bundle already.
-     */
-
-    // build({
-    //   ...esbuildConfig,
-    //   outfile: path.join(pathToPackage, 'dist/index.mjs'),
-    //   format: 'esm',
-    // })
-
-    // build({
-    //   ...esbuildConfig,
-    //   outfile: path.join(pathToPackage, 'dist/index.min.js'),
-    //   format: 'iife',
-    //   external: [],
-    //   minify: true,
-    //   globalName: `Theatre.${which}`,
-    //   legalComments: 'external',
-    //   platform: 'browser',
-    //   define: {
-    //     ...definedGlobals,
-    //     'process.env.NODE_ENV': JSON.stringify('production'),
-    //   },
-    // })
-  }
-}
diff --git a/packages/studio/devEnv/declarations-bundler/README.md b/packages/studio/devEnv/declarations-bundler/README.md
deleted file mode 100644
index eae996ade2..0000000000
--- a/packages/studio/devEnv/declarations-bundler/README.md
+++ /dev/null
@@ -1,13 +0,0 @@
-## Bundling typescript declarations
-
-The stuff in this folder are responsible for producing the `.d.ts` declaration
-files in `lib/`.
-
-Declarations are produced in two steps:
-
-1. (`$ npm run build:declarations:emit`): `$ tsc` is run with
-   `tsconfig.declarations.json`. This produces a `.d.ts` file for every module
-   in the project and emits them to `.temp/`.
-2. (`$ npm run build:declarations:bundle`): We then use rollup with
-   [rollup-plugin-dts](https://github.com/Swatinem/rollup-plugin-dts) to bundle
-   the declaration files into a concise bundle.
diff --git a/packages/studio/devEnv/declarations-bundler/rollup.config.js b/packages/studio/devEnv/declarations-bundler/rollup.config.js
deleted file mode 100644
index 02161539dc..0000000000
--- a/packages/studio/devEnv/declarations-bundler/rollup.config.js
+++ /dev/null
@@ -1,56 +0,0 @@
-import alias from '@rollup/plugin-alias'
-import path from 'path'
-import dts from 'rollup-plugin-dts'
-
-const fromPrivatePackage = (s) => path.join(__dirname, '../..', s)
-
-const config = ['studio', 'core'].map((which) => {
-  const fromPackage = (s) => path.join(fromPrivatePackage(`${which}`), s)
-
-  return {
-    input: {
-      [which]: fromPrivatePackage(`.temp/declarations/${which}/src/index.d.ts`),
-    },
-    output: {
-      dir: fromPackage('dist'),
-      entryFileNames: 'index.d.ts',
-      format: 'es',
-    },
-    external: (s) => {
-      if (
-        s === '@theatre/dataverse' ||
-        s.startsWith(`@theatre/${which === 'studio' ? 'core' : 'studio'}`)
-      ) {
-        return true
-      }
-
-      if (s.startsWith('@theatre')) {
-        return false
-      }
-
-      if (s.startsWith('/') || s.startsWith('./') || s.startsWith('../')) {
-        return false
-      }
-
-      return true
-    },
-
-    plugins: [
-      dts({respectExternal: true}),
-      alias({
-        entries: [
-          {
-            find: `@theatre/${which}`,
-            replacement: fromPrivatePackage(`.temp/declarations/${which}/src`),
-          },
-          {
-            find: '@theatre/shared',
-            replacement: fromPrivatePackage('.temp/declarations/shared/src'),
-          },
-        ],
-      }),
-    ],
-  }
-})
-
-export default config
diff --git a/packages/studio/devEnv/definedGlobals.ts b/packages/studio/devEnv/definedGlobals.ts
deleted file mode 100644
index d4fc90780d..0000000000
--- a/packages/studio/devEnv/definedGlobals.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * @see `../globals.d.ts` for the types of these globals
- * TODO make the globals typesafe
- */
-export const definedGlobals = {
-  'process.env.THEATRE_VERSION': JSON.stringify(
-    require('../studio/package.json').version,
-  ),
-  // json-touch-patch (an unmaintained package) reads this value. We patch it to just 'Set', becauce
-  // this is only used in `@theatre/studio`, which only supports evergreen browsers
-  'global.Set': 'Set',
-  'process.env.BUILT_FOR_PLAYGROUND': JSON.stringify('false'),
-  'process.env.BACKEND_URL': JSON.stringify(`https://app.theatrejs.com`),
-}
diff --git a/packages/studio/devEnv/watch.ts b/packages/studio/devEnv/watch.ts
deleted file mode 100644
index 71de62a1d2..0000000000
--- a/packages/studio/devEnv/watch.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-import {createBundles} from './createBundles'
-
-void createBundles(true)
diff --git a/packages/studio/package.json b/packages/studio/package.json
index 73c390758e..7cc5813325 100644
--- a/packages/studio/package.json
+++ b/packages/studio/package.json
@@ -20,9 +20,11 @@
   ],
   "scripts": {
     "prepublish": "node ../../devEnv/ensurePublishing.js",
-    "build:ts": "tsc --build ./tsconfig.json"
+    "typecheck": "tsc --build",
+    "cli": "tsx devEnv/cli.ts",
+    "build": "yarn cli build"
   },
-  "sideEffects": false,
+  "sideEffects": true,
   "peerDependencies": {
     "@theatre/core": "*"
   },
@@ -69,10 +71,12 @@
     "react-shadow": "20.4.0",
     "react-use": "17.2.4",
     "reakit": "1.3.8",
+    "sade": "^1.8.1",
     "shallowequal": "1.1.0",
     "styled-components": "^5.3.11",
     "superjson": "1.13.1",
     "timing-function": "^0.2.3",
+    "tsx": "4.7.0",
     "typescript": "5.1.6",
     "typescript-styled-plugin": "^0.18.3"
   },
diff --git a/packages/studio/src/Studio.ts b/packages/studio/src/Studio.ts
index 930d9f93ee..1556456305 100644
--- a/packages/studio/src/Studio.ts
+++ b/packages/studio/src/Studio.ts
@@ -43,6 +43,7 @@ import AppLink from './SyncStore/AppLink'
 import SyncServerLink from './SyncStore/SyncServerLink'
 import type {TrpcClientWrapped} from './SyncStore/utils'
 import {wrapTrpcClientWithAuth} from './SyncStore/utils'
+import {env} from './env'
 
 const DEFAULT_PERSISTENCE_KEY = 'theatre-0.4'
 
@@ -688,7 +689,7 @@ function sanitizeOpts(
   const storeOpts: StudioOpts = {
     persistenceKey: DEFAULT_PERSISTENCE_KEY,
     usePersistentStorage: true,
-    serverUrl: process.env.BACKEND_URL ?? 'https://app.theatrejs.com',
+    serverUrl: env.BACKEND_URL ?? 'https://app.theatrejs.com',
     rafDriver: coreBits.getCoreRafDriver(),
   }
 
diff --git a/packages/studio/src/checkForUpdates.ts b/packages/studio/src/checkForUpdates.ts
index 71c679a306..f977708f79 100644
--- a/packages/studio/src/checkForUpdates.ts
+++ b/packages/studio/src/checkForUpdates.ts
@@ -3,6 +3,7 @@ import {defer} from '@theatre/utils/defer'
 import type {$IntentionalAny} from '@theatre/core/types/public'
 import getStudio from './getStudio'
 import type {UpdateCheckerResponse} from './Studio'
+import {env} from './env'
 
 const UPDATE_CHECK_INTERVAL = 30 * 60 * 1000 // check for updates every 30 minutes
 const TIME_TO_WAIT_ON_ERROR = 1000 * 60 * 60 // an hour
@@ -28,12 +29,12 @@ async function waitTilUIIsVisible(): Promise<undefined> {
 }
 
 export default async function checkForUpdates() {
-  if (process.env.BUILT_FOR_PLAYGROUND === 'true') {
+  if (env.BUILT_FOR_PLAYGROUND === 'true') {
     // Build for playground. Skipping update check
     return
   }
 
-  if (process.env.THEATRE_VERSION?.match(/COMPAT/)) {
+  if (env.THEATRE_VERSION?.match(/COMPAT/)) {
     // Built for compat tests. Skipping update check
     return
   }
@@ -60,7 +61,7 @@ export default async function checkForUpdates() {
     try {
       const response = await fetch(
         new Request(
-          `https://updates.theatrejs.com/updates/${process.env.THEATRE_VERSION}`,
+          `https://updates.theatrejs.com/updates/${env.THEATRE_VERSION}`,
         ),
       )
       if (response.ok) {
diff --git a/packages/studio/src/env.ts b/packages/studio/src/env.ts
new file mode 100644
index 0000000000..a8afc2612a
--- /dev/null
+++ b/packages/studio/src/env.ts
@@ -0,0 +1,5 @@
+import type {Env} from '@theatre/core/envSchema'
+import type {$IntentionalAny} from '@theatre/utils/types'
+
+// process.env is guaranteed to be of type Env, because we validate it in `devEnv/cli`
+export const env = process.env as $IntentionalAny as Env
diff --git a/packages/studio/src/toolbars/GlobalToolbar/MoreMenu/MoreMenu.tsx b/packages/studio/src/toolbars/GlobalToolbar/MoreMenu/MoreMenu.tsx
index d70a79a686..61a346d49b 100644
--- a/packages/studio/src/toolbars/GlobalToolbar/MoreMenu/MoreMenu.tsx
+++ b/packages/studio/src/toolbars/GlobalToolbar/MoreMenu/MoreMenu.tsx
@@ -3,6 +3,7 @@ import type {$IntentionalAny} from '@theatre/core/types/public'
 import getStudio from '@theatre/studio/getStudio'
 import React from 'react'
 import styled from 'styled-components'
+import {env} from '@theatre/studio/env'
 
 const Container = styled.div`
   width: 138px;
@@ -113,7 +114,7 @@ const UpdateDot = styled.div`
   border-radius: 50%;
 `
 
-const version: string = process.env.THEATRE_VERSION ?? '0.4.0'
+const version: string = env.THEATRE_VERSION ?? '0.4.0'
 
 const untaggedVersion: string = version.match(/^[^\-]+/)![0]
 
diff --git a/packages/sync-server/devEnv/cli.ts b/packages/sync-server/devEnv/cli.ts
index 7d2c8279ca..6d5d24d4ca 100644
--- a/packages/sync-server/devEnv/cli.ts
+++ b/packages/sync-server/devEnv/cli.ts
@@ -37,7 +37,7 @@ function validateEnv() {
     throw new Error(`DATABASE_URL protocol must be postgresql: Given: ${url}`)
   }
 
-  if (!isProduction) {
+  if (env.NODE_ENV !== 'production') {
     if (
       env.DATABASE_URL !==
       `postgresql://postgres:${env.DEV_DB_PASSWORD}@localhost:${env.DEV_DB_PORT}/postgres`
diff --git a/packages/sync-server/env.d.ts b/packages/sync-server/env.d.ts
new file mode 100644
index 0000000000..0caf8fe3b1
--- /dev/null
+++ b/packages/sync-server/env.d.ts
@@ -0,0 +1,5 @@
+// Ideally we'd type process.env so that it matches our Env type in `src/envSchema.ts`, but since other packages in the monorepo
+// do the same, TS acts flaky, which is likely becuase a bug in TS itself. Our workaround is to use `./src/env.ts` as a typed proxy
+// to `process.env` and import that instead.
+
+export {}
diff --git a/packages/sync-server/package.json b/packages/sync-server/package.json
index fb178a0258..cc6ec15329 100644
--- a/packages/sync-server/package.json
+++ b/packages/sync-server/package.json
@@ -4,7 +4,7 @@
   "private": true,
   "scripts": {
     "build": "yarn cli build",
-    "cli": "node -r esbuild-register devEnv/cli.ts",
+    "cli": "tsx devEnv/cli.ts",
     "prebuild": "yarn cli prebuild",
     "postinstall": "prisma generate"
   },
@@ -20,7 +20,7 @@
     "@theatre/utils": "workspace:*",
     "@trpc/client": "^10.43.0",
     "@trpc/server": "^10.43.0",
-    "@types/node": "20.4.9",
+    "@types/node": "20.10.5",
     "@types/ws": "^8.5.5",
     "cross-env": "^7.0.3",
     "dotenv": "^16.3.1",
@@ -37,7 +37,7 @@
     "typescript": "5.1.6",
     "ws": "^8.13.0",
     "yaml": "^2.3.1",
-    "zod": "^3.21.4",
-    "zod-validation-error": "^1.3.1"
+    "zod": "^3.22.4",
+    "zod-validation-error": "^1.5.0"
   }
 }
diff --git a/packages/sync-server/src/appClient.ts b/packages/sync-server/src/appClient.ts
index 536559f472..086d841453 100644
--- a/packages/sync-server/src/appClient.ts
+++ b/packages/sync-server/src/appClient.ts
@@ -1,9 +1,9 @@
 import type {AppRouter} from '@theatre/app/src/server/api/root'
-
 import {createTRPCProxyClient, httpBatchLink} from '@trpc/client'
 import superjson from 'superjson'
+import {env} from './env'
 
-export let appHost = process.env.APP_URL
+export let appHost = env.APP_URL
 // if host does not start with a protocol:
 if (!appHost.startsWith('http')) {
   // then assume it's https
diff --git a/packages/sync-server/src/env.d.ts b/packages/sync-server/src/env.d.ts
deleted file mode 100644
index 6af87ed47d..0000000000
--- a/packages/sync-server/src/env.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import type {Env} from './envSchema'
-
-declare global {
-  namespace NodeJS {
-    interface ProcessEnv extends Env {}
-  }
-}
diff --git a/packages/sync-server/src/env.ts b/packages/sync-server/src/env.ts
new file mode 100644
index 0000000000..3decb0d2b5
--- /dev/null
+++ b/packages/sync-server/src/env.ts
@@ -0,0 +1,4 @@
+import type {Env} from './envSchema'
+
+// process.env is guaranteed to be of type Env, because we validate it in `devEnv/cli`
+export const env = process.env as Env
diff --git a/packages/sync-server/src/envSchema.ts b/packages/sync-server/src/envSchema.ts
index bc465caf97..1eb1df6dd4 100644
--- a/packages/sync-server/src/envSchema.ts
+++ b/packages/sync-server/src/envSchema.ts
@@ -2,7 +2,6 @@ import z from 'zod'
 
 // the env variables that are only required in development
 const devOnly = z.object({
-  NODE_ENV: z.literal('development'),
   DEV_DB_PORT: z.string(),
   DEV_DB_PASSWORD: z.string(),
 })
@@ -22,16 +21,23 @@ const commonSchema = z.object({
 })
 
 // the env variables that are required in development (devOnly and commonSchema)
-export const devSchema = commonSchema.merge(devOnly)
+export const devSchema = commonSchema
+  .extend({
+    NODE_ENV: z.literal('development'),
+  })
+  .merge(devOnly)
 
 // the env variables that are only required in production
-const productionOnly = z.object({
-  NODE_ENV: z.literal('production'),
-})
+const productionOnly = z.object({})
+
 // the env variables that are required in production (productionOnly + commonSchema)
-export const productionSchema = commonSchema.merge(productionOnly)
+export const productionSchema = commonSchema
+  .extend({
+    NODE_ENV: z.literal('production'),
+  })
+  .merge(productionOnly)
 
 // the env variables that are required in both development and production
-export const fullSchema = productionSchema.merge(devOnly)
+export const fullSchema = z.union([productionSchema, devSchema])
 
 export type Env = z.infer<typeof fullSchema>
diff --git a/packages/sync-server/src/index.ts b/packages/sync-server/src/index.ts
index e46e5a633c..6b051b7873 100644
--- a/packages/sync-server/src/index.ts
+++ b/packages/sync-server/src/index.ts
@@ -3,11 +3,9 @@ import syncServerRouter from './trpc/routes'
 import {applyWSSHandler} from '@trpc/server/adapters/ws'
 import ws from 'ws'
 import http from 'http'
+import {env} from './env'
 
-const HOST =
-  process.env.HOST && process.env.HOST !== 'localhost'
-    ? process.env.HOST
-    : undefined
+const HOST = env.HOST && env.HOST !== 'localhost' ? env.HOST : undefined
 
 const server = http.createServer((req, res) => {
   const proto = req.headers['x-forwarded-proto']
@@ -23,7 +21,7 @@ const server = http.createServer((req, res) => {
     res.writeHead(200, {'Content-Type': 'text/plain'})
     res.end(
       'Sync server is running. Access via ws://' +
-        process.env.HOST +
+        env.HOST +
         ' (if on ssl, use wss://)',
     )
   } else {
@@ -32,11 +30,8 @@ const server = http.createServer((req, res) => {
   }
 })
 
-server.listen(parseInt(process.env.PORT), () => {
-  console.log(
-    '✅ HTTP Server listening on ',
-    process.env.HOST + ':' + process.env.PORT,
-  )
+server.listen(parseInt(env.PORT), () => {
+  console.log('✅ HTTP Server listening on ', env.HOST + ':' + env.PORT)
 })
 
 const wss = new ws.Server({server})
@@ -48,10 +43,7 @@ wss.on('connection', (ws) => {
     console.log(`➖➖ Connection (${wss.clients.size})`)
   })
 })
-console.log(
-  '✅ WebSocket Server listening on ',
-  process.env.HOST + ':' + process.env.PORT,
-)
+console.log('✅ WebSocket Server listening on ', env.HOST + ':' + env.PORT)
 
 process.on('SIGTERM', () => {
   console.log('SIGTERM')
diff --git a/packages/sync-server/src/prisma.ts b/packages/sync-server/src/prisma.ts
index c71c95d969..55b9e0da4e 100644
--- a/packages/sync-server/src/prisma.ts
+++ b/packages/sync-server/src/prisma.ts
@@ -1,9 +1,10 @@
 import {PrismaClient} from '../prisma/client-generated'
+import {env} from './env'
 
 const prisma = new PrismaClient({
   datasources: {
     db: {
-      url: process.env.DATABASE_URL,
+      url: env.DATABASE_URL,
     },
   },
 })
diff --git a/packages/sync-server/tsconfig.json b/packages/sync-server/tsconfig.json
index fa9029d752..faf1457b70 100644
--- a/packages/sync-server/tsconfig.json
+++ b/packages/sync-server/tsconfig.json
@@ -3,16 +3,8 @@
   "compilerOptions": {
     "target": "es5",
     "lib": ["dom", "dom.iterable", "esnext"],
-    "allowJs": true,
-    "skipLibCheck": true,
-    "strict": true,
     "outDir": "dist",
-    "esModuleInterop": true,
-    "module": "esnext",
-    "moduleResolution": "node",
-    "resolveJsonModule": true,
-    "isolatedModules": true,
-    "jsx": "preserve",
+    "types": ["node", "jest"],
     "baseUrl": ".",
     "composite": true,
     "paths": {
@@ -28,6 +20,6 @@
     {"path": "../saaz"},
     {"path": "../core"}
   ],
-  "include": ["next-env.d.ts", "src/**/*", "devEnv/**/*", "prisma/seed.ts"],
-  "exclude": ["node_modules"]
+  "include": ["./env.d.ts", "./src/**/*", "devEnv/**/*", "./prisma/seed.ts"],
+  "exclude": ["**/node_modules", "**/.*", "**/xeno", "**/dist", "**/.temp"]
 }
diff --git a/packages/theatric/package.json b/packages/theatric/package.json
index 3068572694..f6cfb7e3b2 100644
--- a/packages/theatric/package.json
+++ b/packages/theatric/package.json
@@ -22,7 +22,7 @@
     "typecheck": "yarn run build",
     "build": "run-s build:ts build:js build:api-json",
     "build:ts": "tsc --build ./tsconfig.json",
-    "build:js": "node -r esbuild-register ./devEnv/build.ts",
+    "build:js": "tsx ./devEnv/build.ts",
     "build:api-json": "api-extractor run --local --config devEnv/api-extractor.json",
     "prepublish": "node ../../devEnv/ensurePublishing.js",
     "clean": "rm -rf ./dist && rm -f tsconfig.tsbuildinfo"
@@ -34,9 +34,9 @@
     "@types/node": "^15.6.2",
     "@types/react": "^18.2.18",
     "esbuild": "^0.12.15",
-    "esbuild-register": "^2.5.0",
     "lodash-es": "^4.17.21",
     "npm-run-all": "^4.1.5",
+    "tsx": "4.7.0",
     "typescript": "5.1.6"
   },
   "dependencies": {
diff --git a/packages/theatric/src/index.ts b/packages/theatric/src/index.ts
index b85abdc7d9..ef1c2fa28c 100644
--- a/packages/theatric/src/index.ts
+++ b/packages/theatric/src/index.ts
@@ -24,8 +24,8 @@ type OmitMatching<T extends object, V> = Omit<T, KeysMatching<T, V>>
 // That way we can treeshake our own, and the user can give us theirs, if they want to.
 
 if (process.env.NODE_ENV === 'development') {
-  getStudio().then((studio) => {
-    init({studio: true})
+  void getStudio().then((studio) => {
+    void init({studio: true})
   })
 }
 
diff --git a/packages/utils/package.json b/packages/utils/package.json
index fd9136c0b8..97a6a8b93a 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -23,7 +23,7 @@
     "typecheck": "yarn run build:ts",
     "build": "run-s build:ts build:js build:api-json",
     "build:ts": "tsc --build ./tsconfig.json",
-    "build:js": "node -r esbuild-register ./devEnv/build.ts",
+    "build:js": "tsx ./devEnv/build.ts",
     "build:api-json": "api-extractor run --local --config devEnv/api-extractor.json",
     "prepublish": "node ../../devEnv/ensurePublishing.js",
     "clean": "rm -rf ./dist && rm -f tsconfig.tsbuildinfo",
@@ -37,7 +37,6 @@
     "@types/lodash-es": "^4.17.4",
     "@types/node": "^15.6.2",
     "esbuild": "^0.12.15",
-    "esbuild-register": "^2.5.0",
     "fast-deep-equal": "^3.1.3",
     "immer": "^9.0.6",
     "jest-diff": "^29.6.4",
@@ -45,6 +44,7 @@
     "nanoid": "^4.0.2",
     "npm-run-all": "^4.1.5",
     "propose": "^0.0.5",
+    "tsx": "4.7.0",
     "typedoc": "^0.24.8",
     "typedoc-plugin-markdown": "^3.15.4",
     "typescript": "5.1.6"
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 453ecf5bbf..549290beca 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -17,11 +17,12 @@
     "declaration": true,
     "paths": {
       "@theatre/core": ["./packages/core/src/index.ts"],
+      "@theatre/core/*": ["./packages/core/src/*"],
       "@theatre/studio": ["./packages/studio/src/index.ts"],
       "@theatre/studio/*": ["./packages/studio/src/*"],
+      "@theatre/utils": ["./packages/utils/src/index.ts"],
       "@theatre/utils/*": ["./packages/utils/src/*"],
       "@theatre/saaz": ["./packages/saaz/src/index.ts"],
-      "@theatre/core/*": ["./packages/core/src/*"],
       "@theatre/app/*": ["./packages/app/src/*"],
       "@theatre/sync-server/*": ["./packages/sync-server/src/*"],
       "@theatre/dataverse": ["./packages/dataverse/src/index.ts"],
diff --git a/yarn.lock b/yarn.lock
index f9b6f4f499..400690437c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -154,6 +154,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/code-frame@npm:^7.22.13":
+  version: 7.23.5
+  resolution: "@babel/code-frame@npm:7.23.5"
+  dependencies:
+    "@babel/highlight": ^7.23.4
+    chalk: ^2.4.2
+  checksum: d90981fdf56a2824a9b14d19a4c0e8db93633fd488c772624b4e83e0ceac6039a27cd298a247c3214faa952bf803ba23696172ae7e7235f3b97f43ba278c569a
+  languageName: node
+  linkType: hard
+
 "@babel/code-frame@npm:^7.22.5":
   version: 7.22.5
   resolution: "@babel/code-frame@npm:7.22.5"
@@ -1492,6 +1502,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/helper-validator-identifier@npm:^7.22.20":
+  version: 7.22.20
+  resolution: "@babel/helper-validator-identifier@npm:7.22.20"
+  checksum: 136412784d9428266bcdd4d91c32bcf9ff0e8d25534a9d94b044f77fe76bc50f941a90319b05aafd1ec04f7d127cd57a179a3716009ff7f3412ef835ada95bdc
+  languageName: node
+  linkType: hard
+
 "@babel/helper-validator-identifier@npm:^7.22.5":
   version: 7.22.5
   resolution: "@babel/helper-validator-identifier@npm:7.22.5"
@@ -1691,6 +1708,17 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/highlight@npm:^7.23.4":
+  version: 7.23.4
+  resolution: "@babel/highlight@npm:7.23.4"
+  dependencies:
+    "@babel/helper-validator-identifier": ^7.22.20
+    chalk: ^2.4.2
+    js-tokens: ^4.0.0
+  checksum: 643acecdc235f87d925979a979b539a5d7d1f31ae7db8d89047269082694122d11aa85351304c9c978ceeb6d250591ccadb06c366f358ccee08bb9c122476b89
+  languageName: node
+  linkType: hard
+
 "@babel/parser@npm:^7.1.0, @babel/parser@npm:^7.12.13, @babel/parser@npm:^7.13.13, @babel/parser@npm:^7.4.4":
   version: 7.13.13
   resolution: "@babel/parser@npm:7.13.13"
@@ -5280,6 +5308,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/aix-ppc64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/aix-ppc64@npm:0.19.11"
+  conditions: os=aix & cpu=ppc64
+  languageName: node
+  linkType: hard
+
 "@esbuild/android-arm64@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/android-arm64@npm:0.17.15"
@@ -5315,6 +5350,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/android-arm64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/android-arm64@npm:0.19.11"
+  conditions: os=android & cpu=arm64
+  languageName: node
+  linkType: hard
+
 "@esbuild/android-arm@npm:0.15.15":
   version: 0.15.15
   resolution: "@esbuild/android-arm@npm:0.15.15"
@@ -5357,6 +5399,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/android-arm@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/android-arm@npm:0.19.11"
+  conditions: os=android & cpu=arm
+  languageName: node
+  linkType: hard
+
 "@esbuild/android-x64@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/android-x64@npm:0.17.15"
@@ -5392,6 +5441,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/android-x64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/android-x64@npm:0.19.11"
+  conditions: os=android & cpu=x64
+  languageName: node
+  linkType: hard
+
 "@esbuild/darwin-arm64@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/darwin-arm64@npm:0.17.15"
@@ -5427,6 +5483,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/darwin-arm64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/darwin-arm64@npm:0.19.11"
+  conditions: os=darwin & cpu=arm64
+  languageName: node
+  linkType: hard
+
 "@esbuild/darwin-x64@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/darwin-x64@npm:0.17.15"
@@ -5462,6 +5525,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/darwin-x64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/darwin-x64@npm:0.19.11"
+  conditions: os=darwin & cpu=x64
+  languageName: node
+  linkType: hard
+
 "@esbuild/freebsd-arm64@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/freebsd-arm64@npm:0.17.15"
@@ -5497,6 +5567,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/freebsd-arm64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/freebsd-arm64@npm:0.19.11"
+  conditions: os=freebsd & cpu=arm64
+  languageName: node
+  linkType: hard
+
 "@esbuild/freebsd-x64@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/freebsd-x64@npm:0.17.15"
@@ -5532,6 +5609,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/freebsd-x64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/freebsd-x64@npm:0.19.11"
+  conditions: os=freebsd & cpu=x64
+  languageName: node
+  linkType: hard
+
 "@esbuild/linux-arm64@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/linux-arm64@npm:0.17.15"
@@ -5567,6 +5651,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/linux-arm64@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/linux-arm64@npm:0.19.11"
+  conditions: os=linux & cpu=arm64
+  languageName: node
+  linkType: hard
+
 "@esbuild/linux-arm@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/linux-arm@npm:0.17.15"
@@ -5602,6 +5693,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/linux-arm@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/linux-arm@npm:0.19.11"
+  conditions: os=linux & cpu=arm
+  languageName: node
+  linkType: hard
+
 "@esbuild/linux-ia32@npm:0.17.15":
   version: 0.17.15
   resolution: "@esbuild/linux-ia32@npm:0.17.15"
@@ -5637,6 +5735,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@esbuild/linux-ia32@npm:0.19.11":
+  version: 0.19.11
+  resolution: "@esbuild/linux-ia32@npm:0.19.11"
+  conditions: os=linux & cpu=ia32
+  languageName: node
+  linkType: hard
+
 "@esbuild/linux-loong64@npm:0.14.54":
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 "@rushstack/eslint-patch@npm:^1.1.0":
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   resolution: "@theatre/browser-bundles@workspace:packages/browser-bundles"
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-    esbuild-register: ^2.5.0
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-    "@theatre/studio": "*"
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-    esbuild-register: ^3.4.2
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@@ -9647,14 +10016,25 @@ __metadata:
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-    esbuild-register: 2.5.0
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@@ -9689,9 +10069,9 @@ __metadata:
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-    esbuild-register: ^2.5.0
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@@ -9728,6 +10107,7 @@ __metadata:
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-    esbuild-register: ^2.5.0
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+    tsx: 4.7.0
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@@ -9843,10 +10223,12 @@ __metadata:
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     "@trpc/server": ^10.43.0
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@@ -9883,8 +10265,8 @@ __metadata:
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-    zod: ^3.21.4
-    zod-validation-error: ^1.3.1
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@@ -10158,6 +10540,13 @@ __metadata:
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 "@types/express-serve-static-core@npm:*, @types/express-serve-static-core@npm:^4.17.18":
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-"@types/node@npm:^20.10.5":
-  version: 20.10.5
-  resolution: "@types/node@npm:20.10.5"
-  dependencies:
-    undici-types: ~5.26.4
-  checksum: e216b679f545a8356960ce985a0e53c3a58fff0eacd855e180b9e223b8db2b5bd07b744a002b8c1f0c37f9194648ab4578533b5c12df2ec10cc02f61d20948d2
-  languageName: node
-  linkType: hard
-
 "@types/normalize-package-data@npm:^2.4.0":
   version: 2.4.0
   resolution: "@types/normalize-package-data@npm:2.4.0"
@@ -10656,6 +11045,15 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@types/rollup@npm:0.54.0":
+  version: 0.54.0
+  resolution: "@types/rollup@npm:0.54.0"
+  dependencies:
+    rollup: "*"
+  checksum: 4aae5d861b01b3a3d2a0a26800caef58e0658910c8034d16be4a16593ffd0d87ceb6fd63e95efba83218bfc642e24256a2f5e4f9ab08dfa3fb45035b6f2b1a63
+  languageName: node
+  linkType: hard
+
 "@types/scheduler@npm:*":
   version: 0.16.1
   resolution: "@types/scheduler@npm:0.16.1"
@@ -13807,7 +14205,7 @@ __metadata:
     "@types/node": ^18.11.9
     "@types/react": ^18.0.25
     esbuild: ^0.15.15
-    esbuild-register: ^3.4.1
+    tsx: 4.7.0
     typescript: 5.1.6
   languageName: unknown
   linkType: soft
@@ -18007,38 +18405,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"esbuild-register@npm:2.5.0, esbuild-register@npm:^2.5.0":
-  version: 2.5.0
-  resolution: "esbuild-register@npm:2.5.0"
-  dependencies:
-    esbuild: ^0.11.5
-    jsonc-parser: ^3.0.0
-  checksum: 6895d3b3fc89f67711a1185e932c56c0d818c31f8407e03dcc588048cf1faa7f4bd3c2b032d0f6e19b0245e968d8fdadae668a1d2f92a302a8df348521be72c8
-  languageName: node
-  linkType: hard
-
-"esbuild-register@npm:^3.4.1":
-  version: 3.4.1
-  resolution: "esbuild-register@npm:3.4.1"
-  dependencies:
-    debug: ^4.3.4
-  peerDependencies:
-    esbuild: ">=0.12 <1"
-  checksum: 02750477b7215101bd2ffa3eae5064026586afd9a5267e94f5b81722c85c8063794c06328e618b5a93d7b0db4138a092417cfc024471b8a3616d212d09e3d868
-  languageName: node
-  linkType: hard
-
-"esbuild-register@npm:^3.4.2":
-  version: 3.4.2
-  resolution: "esbuild-register@npm:3.4.2"
-  dependencies:
-    debug: ^4.3.4
-  peerDependencies:
-    esbuild: ">=0.12 <1"
-  checksum: f65d1ccb58b1ccbba376efb1fc023abe22731d9b79eead1b0120e57d4413318f063696257a5af637b527fa1d3f009095aa6edb1bf6ff69d637a9ab281fb727b3
-  languageName: node
-  linkType: hard
-
 "esbuild-sunos-64@npm:0.14.54":
   version: 0.14.54
   resolution: "esbuild-sunos-64@npm:0.14.54"
@@ -18172,15 +18538,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"esbuild@npm:^0.11.5":
-  version: 0.11.23
-  resolution: "esbuild@npm:0.11.23"
-  bin:
-    esbuild: bin/esbuild
-  checksum: d55bea84f94e7854fa6fb013ffc63747f2286001b3d73c2a7beb605e6e4847c24ff2cde0660f03045d06d083695c8082423b007a9ee8687e70b52719458bfdd6
-  languageName: node
-  linkType: hard
-
 "esbuild@npm:^0.12.15":
   version: 0.12.15
   resolution: "esbuild@npm:0.12.15"
@@ -18649,6 +19006,86 @@ __metadata:
   languageName: node
   linkType: hard
 
+"esbuild@npm:^0.19.11, esbuild@npm:~0.19.10":
+  version: 0.19.11
+  resolution: "esbuild@npm:0.19.11"
+  dependencies:
+    "@esbuild/aix-ppc64": 0.19.11
+    "@esbuild/android-arm": 0.19.11
+    "@esbuild/android-arm64": 0.19.11
+    "@esbuild/android-x64": 0.19.11
+    "@esbuild/darwin-arm64": 0.19.11
+    "@esbuild/darwin-x64": 0.19.11
+    "@esbuild/freebsd-arm64": 0.19.11
+    "@esbuild/freebsd-x64": 0.19.11
+    "@esbuild/linux-arm": 0.19.11
+    "@esbuild/linux-arm64": 0.19.11
+    "@esbuild/linux-ia32": 0.19.11
+    "@esbuild/linux-loong64": 0.19.11
+    "@esbuild/linux-mips64el": 0.19.11
+    "@esbuild/linux-ppc64": 0.19.11
+    "@esbuild/linux-riscv64": 0.19.11
+    "@esbuild/linux-s390x": 0.19.11
+    "@esbuild/linux-x64": 0.19.11
+    "@esbuild/netbsd-x64": 0.19.11
+    "@esbuild/openbsd-x64": 0.19.11
+    "@esbuild/sunos-x64": 0.19.11
+    "@esbuild/win32-arm64": 0.19.11
+    "@esbuild/win32-ia32": 0.19.11
+    "@esbuild/win32-x64": 0.19.11
+  dependenciesMeta:
+    "@esbuild/aix-ppc64":
+      optional: true
+    "@esbuild/android-arm":
+      optional: true
+    "@esbuild/android-arm64":
+      optional: true
+    "@esbuild/android-x64":
+      optional: true
+    "@esbuild/darwin-arm64":
+      optional: true
+    "@esbuild/darwin-x64":
+      optional: true
+    "@esbuild/freebsd-arm64":
+      optional: true
+    "@esbuild/freebsd-x64":
+      optional: true
+    "@esbuild/linux-arm":
+      optional: true
+    "@esbuild/linux-arm64":
+      optional: true
+    "@esbuild/linux-ia32":
+      optional: true
+    "@esbuild/linux-loong64":
+      optional: true
+    "@esbuild/linux-mips64el":
+      optional: true
+    "@esbuild/linux-ppc64":
+      optional: true
+    "@esbuild/linux-riscv64":
+      optional: true
+    "@esbuild/linux-s390x":
+      optional: true
+    "@esbuild/linux-x64":
+      optional: true
+    "@esbuild/netbsd-x64":
+      optional: true
+    "@esbuild/openbsd-x64":
+      optional: true
+    "@esbuild/sunos-x64":
+      optional: true
+    "@esbuild/win32-arm64":
+      optional: true
+    "@esbuild/win32-ia32":
+      optional: true
+    "@esbuild/win32-x64":
+      optional: true
+  bin:
+    esbuild: bin/esbuild
+  checksum: ae949a796d1d06b55275ae7491ce137857468f69a93d8cc9c0943d2a701ac54e14dbb250a2ba56f2ad98283669578f1ec3bd85a4681910a5ff29a2470c3bd62c
+  languageName: node
+  linkType: hard
+
 "escalade@npm:^3.0.2, escalade@npm:^3.1.1":
   version: 3.1.1
   resolution: "escalade@npm:3.1.1"
@@ -19716,6 +20153,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"estree-walker@npm:^2.0.2":
+  version: 2.0.2
+  resolution: "estree-walker@npm:2.0.2"
+  checksum: 6151e6f9828abe2259e57f5fd3761335bb0d2ebd76dc1a01048ccee22fabcfef3c0859300f6d83ff0d1927849368775ec5a6d265dde2f6de5a1be1721cd94efc
+  languageName: node
+  linkType: hard
+
 "esutils@npm:^2.0.2":
   version: 2.0.3
   resolution: "esutils@npm:2.0.3"
@@ -20780,6 +21224,15 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"fsevents@npm:~2.3.3":
+  version: 2.3.3
+  resolution: "fsevents@npm:2.3.3"
+  dependencies:
+    node-gyp: latest
+  conditions: os=darwin
+  languageName: node
+  linkType: hard
+
 "function-bind@npm:^1.1.1":
   version: 1.1.1
   resolution: "function-bind@npm:1.1.1"
@@ -21004,6 +21457,15 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"get-tsconfig@npm:^4.7.2":
+  version: 4.7.2
+  resolution: "get-tsconfig@npm:4.7.2"
+  dependencies:
+    resolve-pkg-maps: ^1.0.0
+  checksum: 172358903250eff0103943f816e8a4e51d29b8e5449058bdf7266714a908a48239f6884308bd3a6ff28b09f692b9533dbebfd183ab63e4e14f073cda91f1bca9
+  languageName: node
+  linkType: hard
+
 "get-value@npm:^2.0.3, get-value@npm:^2.0.6":
   version: 2.0.6
   resolution: "get-value@npm:2.0.6"
@@ -25375,13 +25837,6 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
-"jsonc-parser@npm:^3.0.0":
-  version: 3.0.0
-  resolution: "jsonc-parser@npm:3.0.0"
-  checksum: 1df2326f1f9688de30c70ff19c5b2a83ba3b89a1036160da79821d1361090775e9db502dc57a67c11b56e1186fc1ed70b887f25c5febf9a3ec4f91435836c99d
-  languageName: node
-  linkType: hard
-
 "jsonc-parser@npm:^3.1.0":
   version: 3.1.0
   resolution: "jsonc-parser@npm:3.1.0"
@@ -26237,6 +26692,15 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"magic-string@npm:^0.30.3, magic-string@npm:^0.30.4":
+  version: 0.30.5
+  resolution: "magic-string@npm:0.30.5"
+  dependencies:
+    "@jridgewell/sourcemap-codec": ^1.4.15
+  checksum: da10fecff0c0a7d3faf756913ce62bd6d5e7b0402be48c3b27bfd651b90e29677e279069a63b764bcdc1b8ecdcdb898f29a5c5ec510f2323e8d62ee057a6eb18
+  languageName: node
+  linkType: hard
+
 "make-dir@npm:^2.0.0":
   version: 2.1.0
   resolution: "make-dir@npm:2.1.0"
@@ -26362,6 +26826,16 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"matched@npm:^5.0.1":
+  version: 5.0.1
+  resolution: "matched@npm:5.0.1"
+  dependencies:
+    glob: ^7.1.6
+    picomatch: ^2.2.1
+  checksum: 65f8b3f0309f20809de35aa0b5c2da1ee84cd8e670c39ad3a78c4feab2aa3ebd9065e09d51e97b5ad4ceca9d7b0576f6a01d53112b40d40b455eb31a7ab0b156
+  languageName: node
+  linkType: hard
+
 "md5.js@npm:^1.3.4":
   version: 1.3.5
   resolution: "md5.js@npm:1.3.5"
@@ -32897,6 +33371,13 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"resolve-pkg-maps@npm:^1.0.0":
+  version: 1.0.0
+  resolution: "resolve-pkg-maps@npm:1.0.0"
+  checksum: 1012afc566b3fdb190a6309cc37ef3b2dcc35dff5fa6683a9d00cd25c3247edfbc4691b91078c97adc82a29b77a2660c30d791d65dab4fc78bfc473f60289977
+  languageName: node
+  linkType: hard
+
 "resolve-url-loader@npm:^3.1.2":
   version: 3.1.4
   resolution: "resolve-url-loader@npm:3.1.4"
@@ -33213,6 +33694,22 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"rollup-plugin-dts@npm:^6.1.0":
+  version: 6.1.0
+  resolution: "rollup-plugin-dts@npm:6.1.0"
+  dependencies:
+    "@babel/code-frame": ^7.22.13
+    magic-string: ^0.30.4
+  peerDependencies:
+    rollup: ^3.29.4 || ^4
+    typescript: ^4.5 || ^5.0
+  dependenciesMeta:
+    "@babel/code-frame":
+      optional: true
+  checksum: a90f8e975e4515734c84fa17e0feaf8fdd9ed9368722c3908687875903a393cba4d07d9934bae9b91a0c1b6c63ac1ef0ccd7363d3e6e4dc10eabca3540be9f11
+  languageName: node
+  linkType: hard
+
 "rollup-plugin-terser@npm:^5.3.1":
   version: 5.3.1
   resolution: "rollup-plugin-terser@npm:5.3.1"
@@ -33251,6 +33748,59 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"rollup@npm:*, rollup@npm:^4.9.2":
+  version: 4.9.2
+  resolution: "rollup@npm:4.9.2"
+  dependencies:
+    "@rollup/rollup-android-arm-eabi": 4.9.2
+    "@rollup/rollup-android-arm64": 4.9.2
+    "@rollup/rollup-darwin-arm64": 4.9.2
+    "@rollup/rollup-darwin-x64": 4.9.2
+    "@rollup/rollup-linux-arm-gnueabihf": 4.9.2
+    "@rollup/rollup-linux-arm64-gnu": 4.9.2
+    "@rollup/rollup-linux-arm64-musl": 4.9.2
+    "@rollup/rollup-linux-riscv64-gnu": 4.9.2
+    "@rollup/rollup-linux-x64-gnu": 4.9.2
+    "@rollup/rollup-linux-x64-musl": 4.9.2
+    "@rollup/rollup-win32-arm64-msvc": 4.9.2
+    "@rollup/rollup-win32-ia32-msvc": 4.9.2
+    "@rollup/rollup-win32-x64-msvc": 4.9.2
+    fsevents: ~2.3.2
+  dependenciesMeta:
+    "@rollup/rollup-android-arm-eabi":
+      optional: true
+    "@rollup/rollup-android-arm64":
+      optional: true
+    "@rollup/rollup-darwin-arm64":
+      optional: true
+    "@rollup/rollup-darwin-x64":
+      optional: true
+    "@rollup/rollup-linux-arm-gnueabihf":
+      optional: true
+    "@rollup/rollup-linux-arm64-gnu":
+      optional: true
+    "@rollup/rollup-linux-arm64-musl":
+      optional: true
+    "@rollup/rollup-linux-riscv64-gnu":
+      optional: true
+    "@rollup/rollup-linux-x64-gnu":
+      optional: true
+    "@rollup/rollup-linux-x64-musl":
+      optional: true
+    "@rollup/rollup-win32-arm64-msvc":
+      optional: true
+    "@rollup/rollup-win32-ia32-msvc":
+      optional: true
+    "@rollup/rollup-win32-x64-msvc":
+      optional: true
+    fsevents:
+      optional: true
+  bin:
+    rollup: dist/bin/rollup
+  checksum: 2e4cd90c8fa004b5ff1f4028e331bc627206c5719b45c71cab21578bf60704bc71da241c7dfffcc0aa58bcf380b926ca39a27d6e2482b5996740a6697971b26d
+  languageName: node
+  linkType: hard
+
 "rollup@npm:^1.31.1":
   version: 1.32.1
   resolution: "rollup@npm:1.32.1"
@@ -35796,7 +36346,6 @@ fsevents@^1.2.7:
     "@typescript-eslint/eslint-plugin": ^6.16.0
     "@typescript-eslint/parser": ^6.16.0
     esbuild: ^0.18.18
-    esbuild-register: ^3.4.2
     eslint: ^8.56.0
     eslint-plugin-import: 2.29.1
     eslint-plugin-jsx-a11y: ^6.7.1
@@ -35816,6 +36365,7 @@ fsevents@^1.2.7:
     node-gyp: ^9.1.0
     prettier: ^3.1.1
     sade: ^1.8.1
+    tsx: 4.7.0
     typescript: 5.1.6
     yaml: ^2.3.1
   languageName: unknown
@@ -35834,10 +36384,10 @@ fsevents@^1.2.7:
     "@types/node": ^15.6.2
     "@types/react": ^18.2.18
     esbuild: ^0.12.15
-    esbuild-register: ^2.5.0
     lodash-es: ^4.17.21
     npm-run-all: ^4.1.5
     oauth4webapi: ^2.4.0
+    tsx: 4.7.0
     typescript: 5.1.6
   peerDependencies:
     react: "*"
@@ -36413,6 +36963,22 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"tsx@npm:4.7.0":
+  version: 4.7.0
+  resolution: "tsx@npm:4.7.0"
+  dependencies:
+    esbuild: ~0.19.10
+    fsevents: ~2.3.3
+    get-tsconfig: ^4.7.2
+  dependenciesMeta:
+    fsevents:
+      optional: true
+  bin:
+    tsx: dist/cli.mjs
+  checksum: a3a17fa8a40dbe0aff26fb2bc71a069e568152e0685b0bd9a31ea1091806274ba14882551433ed01efa7eae16f1aa965e2e47f3075ec1e914c42cf5dfce1f924
+  languageName: node
+  linkType: hard
+
 "tsx@npm:^3.12.7":
   version: 3.12.7
   resolution: "tsx@npm:3.12.7"
@@ -39105,6 +39671,15 @@ fsevents@^1.2.7:
   languageName: node
   linkType: hard
 
+"zod-validation-error@npm:^1.5.0":
+  version: 1.5.0
+  resolution: "zod-validation-error@npm:1.5.0"
+  peerDependencies:
+    zod: ^3.18.0
+  checksum: a1b0b96468057cd52991810b2f05b3305e2f4fdfc976c66469924d3e32038bdceef37f315ec0c745bea26cf98f5bbc5893659dd5e6ded6b9a8f04cbf59814cad
+  languageName: node
+  linkType: hard
+
 "zod@npm:3.22.4, zod@npm:^3.22.4":
   version: 3.22.4
   resolution: "zod@npm:3.22.4"