diff --git a/dist/index.js b/dist/index.js
index 831b35d9..793b9622 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -3605,7 +3605,6 @@ const file_command_1 = __webpack_require__(717);
 const utils_1 = __webpack_require__(278);
 const os = __importStar(__webpack_require__(87));
 const path = __importStar(__webpack_require__(622));
-const uuid_1 = __webpack_require__(840);
 const oidc_utils_1 = __webpack_require__(41);
 /**
  * The code to exit an action
@@ -3635,20 +3634,9 @@ function exportVariable(name, val) {
     process.env[name] = convertedVal;
     const filePath = process.env['GITHUB_ENV'] || '';
     if (filePath) {
-        const delimiter = `ghadelimiter_${uuid_1.v4()}`;
-        // These should realistically never happen, but just in case someone finds a way to exploit uuid generation let's not allow keys or values that contain the delimiter.
-        if (name.includes(delimiter)) {
-            throw new Error(`Unexpected input: name should not contain the delimiter "${delimiter}"`);
-        }
-        if (convertedVal.includes(delimiter)) {
-            throw new Error(`Unexpected input: value should not contain the delimiter "${delimiter}"`);
-        }
-        const commandValue = `${name}<<${delimiter}${os.EOL}${convertedVal}${os.EOL}${delimiter}`;
-        file_command_1.issueCommand('ENV', commandValue);
-    }
-    else {
-        command_1.issueCommand('set-env', { name }, convertedVal);
+        return file_command_1.issueFileCommand('ENV', file_command_1.prepareKeyValueMessage(name, val));
     }
+    command_1.issueCommand('set-env', { name }, convertedVal);
 }
 exports.exportVariable = exportVariable;
 /**
@@ -3666,7 +3654,7 @@ exports.setSecret = setSecret;
 function addPath(inputPath) {
     const filePath = process.env['GITHUB_PATH'] || '';
     if (filePath) {
-        file_command_1.issueCommand('PATH', inputPath);
+        file_command_1.issueFileCommand('PATH', inputPath);
     }
     else {
         command_1.issueCommand('add-path', {}, inputPath);
@@ -3706,7 +3694,10 @@ function getMultilineInput(name, options) {
     const inputs = getInput(name, options)
         .split('\n')
         .filter(x => x !== '');
-    return inputs;
+    if (options && options.trimWhitespace === false) {
+        return inputs;
+    }
+    return inputs.map(input => input.trim());
 }
 exports.getMultilineInput = getMultilineInput;
 /**
@@ -3739,8 +3730,12 @@ exports.getBooleanInput = getBooleanInput;
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 function setOutput(name, value) {
+    const filePath = process.env['GITHUB_OUTPUT'] || '';
+    if (filePath) {
+        return file_command_1.issueFileCommand('OUTPUT', file_command_1.prepareKeyValueMessage(name, value));
+    }
     process.stdout.write(os.EOL);
-    command_1.issueCommand('set-output', { name }, value);
+    command_1.issueCommand('set-output', { name }, utils_1.toCommandValue(value));
 }
 exports.setOutput = setOutput;
 /**
@@ -3869,7 +3864,11 @@ exports.group = group;
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 function saveState(name, value) {
-    command_1.issueCommand('save-state', { name }, value);
+    const filePath = process.env['GITHUB_STATE'] || '';
+    if (filePath) {
+        return file_command_1.issueFileCommand('STATE', file_command_1.prepareKeyValueMessage(name, value));
+    }
+    command_1.issueCommand('save-state', { name }, utils_1.toCommandValue(value));
 }
 exports.saveState = saveState;
 /**
@@ -10561,13 +10560,14 @@ var __importStar = (this && this.__importStar) || function (mod) {
     return result;
 };
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.issueCommand = void 0;
+exports.prepareKeyValueMessage = exports.issueFileCommand = void 0;
 // We use any as a valid input type
 /* eslint-disable @typescript-eslint/no-explicit-any */
 const fs = __importStar(__webpack_require__(747));
 const os = __importStar(__webpack_require__(87));
+const uuid_1 = __webpack_require__(840);
 const utils_1 = __webpack_require__(278);
-function issueCommand(command, message) {
+function issueFileCommand(command, message) {
     const filePath = process.env[`GITHUB_${command}`];
     if (!filePath) {
         throw new Error(`Unable to find environment variable for file command ${command}`);
@@ -10579,7 +10579,22 @@ function issueCommand(command, message) {
         encoding: 'utf8'
     });
 }
-exports.issueCommand = issueCommand;
+exports.issueFileCommand = issueFileCommand;
+function prepareKeyValueMessage(key, value) {
+    const delimiter = `ghadelimiter_${uuid_1.v4()}`;
+    const convertedValue = utils_1.toCommandValue(value);
+    // These should realistically never happen, but just in case someone finds a
+    // way to exploit uuid generation let's not allow keys or values that contain
+    // the delimiter.
+    if (key.includes(delimiter)) {
+        throw new Error(`Unexpected input: name should not contain the delimiter "${delimiter}"`);
+    }
+    if (convertedValue.includes(delimiter)) {
+        throw new Error(`Unexpected input: value should not contain the delimiter "${delimiter}"`);
+    }
+    return `${key}<<${delimiter}${os.EOL}${convertedValue}${os.EOL}${delimiter}`;
+}
+exports.prepareKeyValueMessage = prepareKeyValueMessage;
 //# sourceMappingURL=file-command.js.map
 
 /***/ }),
diff --git a/package-lock.json b/package-lock.json
index 07354d34..e2bf5262 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,15 +1,15 @@
 {
   "name": "github-script",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "github-script",
-      "version": "5.1.0",
+      "version": "5.2.0",
       "license": "MIT",
       "dependencies": {
-        "@actions/core": "^1.9.1",
+        "@actions/core": "^1.10.0",
         "@actions/exec": "^1.1.0",
         "@actions/github": "^5.0.0",
         "@actions/glob": "^0.2.0",
@@ -34,9 +34,9 @@
       }
     },
     "node_modules/@actions/core": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.9.1.tgz",
-      "integrity": "sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==",
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.10.0.tgz",
+      "integrity": "sha512-2aZDDa3zrrZbP5ZYg159sNoLRb61nQ7awl5pSvIq5Qpj81vwDzdMRKzkWJGJuwVvWpvZKx7vspJALyvaaIQyug==",
       "dependencies": {
         "@actions/http-client": "^2.0.1",
         "uuid": "^8.3.2"
@@ -6182,9 +6182,9 @@
   },
   "dependencies": {
     "@actions/core": {
-      "version": "1.9.1",
-      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.9.1.tgz",
-      "integrity": "sha512-5ad+U2YGrmmiw6du20AQW5XuWo7UKN2052FjSV7MX+Wfjf8sCqcsZe62NfgHys4QI4/Y+vQvLKYL8jWtA1ZBTA==",
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.10.0.tgz",
+      "integrity": "sha512-2aZDDa3zrrZbP5ZYg159sNoLRb61nQ7awl5pSvIq5Qpj81vwDzdMRKzkWJGJuwVvWpvZKx7vspJALyvaaIQyug==",
       "requires": {
         "@actions/http-client": "^2.0.1",
         "uuid": "^8.3.2"
diff --git a/package.json b/package.json
index 12199260..0213d2d6 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "github-script",
   "description": "A GitHub action for executing a simple script",
-  "version": "5.1.0",
+  "version": "5.2.0",
   "author": "GitHub",
   "license": "MIT",
   "main": "dist/index.js",
@@ -31,7 +31,7 @@
     }
   },
   "dependencies": {
-    "@actions/core": "^1.9.1",
+    "@actions/core": "^1.10.0",
     "@actions/exec": "^1.1.0",
     "@actions/github": "^5.0.0",
     "@actions/glob": "^0.2.0",
@@ -54,4 +54,4 @@
     "ts-jest": "^27.0.5",
     "typescript": "^4.3.5"
   }
-}
\ No newline at end of file
+}