diff --git a/dune-project b/dune-project
index dad6dc0b..8ef8aff7 100644
--- a/dune-project
+++ b/dune-project
@@ -1,4 +1,5 @@
 (lang dune 2.5)
+(implicit_transitive_deps false)
 
 (formatting
  (enabled_for ocaml reason))
diff --git a/lib/action.ml b/lib/action.ml
index 6a5c6cb6..0d298d94 100644
--- a/lib/action.ml
+++ b/lib/action.ml
@@ -9,9 +9,52 @@ open Github_j
 
 let log = Log.from "action"
 
-let touching_prefix rule name =
-  let has_prefix s = List.exists ~f:(fun prefix -> String.is_prefix s ~prefix) in
-  (List.is_empty rule.prefix || has_prefix name rule.prefix) && not (has_prefix name rule.ignore)
+type prefix_match =
+  | Match of int
+  | NoMatch
+
+let chan_of_prefix_rule (r : prefix_rule) = r.chan
+
+let touching_prefix (rule : Notabot_t.prefix_rule) name =
+  let match_lengths filename prefixes =
+    List.filter_map
+      ~f:(fun prefix -> if String.is_prefix filename ~prefix then Some (String.length prefix) else None)
+      prefixes
+  in
+  match match_lengths name rule.ignore with
+  | _ :: _ -> NoMatch
+  | [] ->
+  match rule.prefix with
+  | [] -> Match 0
+  | _ ->
+  match List.max_elt (match_lengths name rule.prefix) ~compare:Int.compare with
+  | Some x -> Match x
+  | None -> NoMatch
+
+let longest_touching_prefix_rule rules name =
+  let get_m rule = touching_prefix rule name in
+  let reduce_to_longest_match longest_rule_match_pair current_rule =
+    let _, longest_match = longest_rule_match_pair in
+    let current_match = get_m current_rule in
+    let current_rule_match_pair = current_rule, current_match in
+    match longest_match with
+    | NoMatch -> current_rule_match_pair
+    | Match x ->
+    match current_match with
+    | NoMatch -> longest_rule_match_pair
+    | Match y -> if y > x then current_rule_match_pair else longest_rule_match_pair
+  in
+  match rules with
+  | [] -> None
+  | (x : prefix_rule) :: xs ->
+  match List.fold_left xs ~init:(x, get_m x) ~f:reduce_to_longest_match with
+  | _, NoMatch -> None
+  | r, Match _ -> Some r
+
+let chan_of_file rules file = Option.map ~f:chan_of_prefix_rule @@ longest_touching_prefix_rule rules file
+
+let unique_chans_of_files rules files =
+  List.dedup_and_sort ~compare:String.compare @@ List.filter_map files ~f:(chan_of_file rules)
 
 let touching_label rule name =
   let name_lc = String.lowercase name in
@@ -23,6 +66,15 @@ let touching_label rule name =
 
 let is_main_merge_message ~msg:message ~branch cfg =
   match cfg.main_branch_name with
+  | Some main_branch when String.equal branch main_branch ->
+    (*
+      handle "Merge <main branch> into <feature branch>" commits when they are merged into main branch
+      we should have already seen these commits on the feature branch but for some reason they are distinct:true
+    *)
+    let prefix = sprintf "Merge branch '%s' into " main_branch in
+    let prefix2 = sprintf "Merge remote-tracking branch 'origin/%s' into " main_branch in
+    let title = first_line message in
+    String.is_prefix title ~prefix || String.is_prefix title ~prefix:prefix2
   | Some main_branch ->
     let expect = sprintf "Merge branch '%s' into %s" main_branch branch in
     let expect2 = sprintf "Merge remote-tracking branch 'origin/%s' into %s" main_branch branch in
@@ -31,18 +83,12 @@ let is_main_merge_message ~msg:message ~branch cfg =
   | _ -> false
 
 let filter_push rules commit =
-  let matching_push rule files = List.exists files ~f:(fun file -> touching_prefix rule file) in
-  List.filter_map rules ~f:(fun rule ->
-    let filter =
-      matching_push rule commit.added || matching_push rule commit.removed || matching_push rule commit.modified
-    in
-    match filter with
-    | false -> None
-    | true -> Some (rule.chan, commit))
+  let files = List.concat [ commit.added; commit.removed; commit.modified ] in
+  List.map ~f:(fun chan -> chan, commit) @@ unique_chans_of_files rules files
 
-let group_commit webhook l =
-  List.filter_map l ~f:(fun (chan, commit) ->
-    match String.equal webhook chan with
+let group_commit chan l =
+  List.filter_map l ~f:(fun (chan', commit) ->
+    match String.equal chan chan' with
     | false -> None
     | true -> Some commit)
 
@@ -61,15 +107,14 @@ let partition_push cfg n =
          match filter_push rules commit with
          | [] -> default commit
          | l -> l)
+    |> List.concat
   in
-  let concat_chan = List.concat channels in
   let prefix_chans =
-    let chans = List.map rules ~f:(fun (rule : prefix_rule) -> rule.chan) in
-    let chans = Option.value_map cfg.prefix_rules.default ~default:chans ~f:(fun default -> default :: chans) in
+    let chans = Option.to_list cfg.prefix_rules.default @ List.map rules ~f:(fun (rule : prefix_rule) -> rule.chan) in
     List.dedup_and_sort chans ~compare:String.compare
   in
   List.filter_map prefix_chans ~f:(fun chan ->
-    match group_commit chan concat_chan with
+    match group_commit chan channels with
     | [] -> None
     | l -> Some (chan, { n with commits = l }))
 
@@ -81,7 +126,7 @@ let filter_label rules (label : Github_j.label) =
        | true -> Some rule.chan)
 
 let partition_label cfg (labels : Github_j.label list) =
-  let default = Option.value_map cfg.label_rules.default ~default:[] ~f:(fun webhook -> [ webhook ]) in
+  let default = Option.to_list cfg.label_rules.default in
   match labels with
   | [] -> default
   | labels ->
@@ -131,41 +176,33 @@ let partition_pr_review cfg (n : pr_review_notification) =
   | Submitted, _, _ -> partition_label cfg n.pull_request.labels
   | _ -> []
 
-let filter_commit rules filename =
-  rules
-  |> List.filter_map ~f:(fun rule ->
-       match touching_prefix rule filename with
-       | false -> None
-       | true -> Some rule.chan)
-
 let partition_commit cfg files =
-  let default = Option.value_map cfg.prefix_rules.default ~default:[] ~f:(fun webhook -> [ webhook ]) in
-  match files with
-  | [] ->
-    log#error "this commit contains no files";
-    []
-  | files ->
-    let rules = cfg.prefix_rules.rules in
-    let channels =
-      files
-      |> List.map ~f:(fun file ->
-           match filter_commit rules file.filename with
-           | [] -> default
-           | l -> l)
-    in
-    List.dedup_and_sort ~compare:String.compare (List.concat channels)
+  let names = List.map ~f:(fun f -> f.filename) files in
+  match unique_chans_of_files cfg.prefix_rules.rules names with
+  | _ :: _ as xs -> xs
+  | [] -> Option.to_list cfg.prefix_rules.default
 
 let hide_cancelled (notification : status_notification) cfg =
-  let is_cancelled_status =
+  let find_cancelled status_state =
+    match status_state with
+    | Config.Cancelled r -> Some r
+    | _ -> None
+  in
+  let regexp_opt = List.find_map cfg.status_rules.status ~f:find_cancelled in
+  match regexp_opt with
+  | None -> false
+  | Some regexp ->
     let { state; description; _ } = notification in
-    let r = Re.Str.regexp_case_fold "^\\(Build #[0-9]+ canceled by .+\\|Failed (exit status 255)\\)$" in
-    match description, state with
+    let r = Re.Str.regexp_case_fold regexp in
+    ( match description, state with
     | Some s, Failure when Re.Str.string_match r s 0 -> true
     | _ -> false
-  in
-  is_cancelled_status && cfg.suppress_cancelled_events
+    )
 
 let hide_success (n : status_notification) (ctx : Context.t) =
+  match List.exists ctx.cfg.status_rules.status ~f:(Poly.equal Config.HideConsecutiveSuccess) with
+  | false -> false
+  | true ->
   match n.state with
   | Success ->
     List.exists
@@ -179,21 +216,37 @@ let hide_success (n : status_notification) (ctx : Context.t) =
 let partition_status (ctx : Context.t) (n : status_notification) =
   let cfg = ctx.cfg in
   let get_commit_info () =
-    match%lwt Github.generate_query_commmit cfg ~url:n.commit.url ~sha:n.commit.sha with
-    | None ->
-      let default = Option.value_map cfg.prefix_rules.default ~default:[] ~f:(fun webhook -> [ webhook ]) in
-      Lwt.return default
-    | Some commit ->
-    match
-      List.exists n.branches ~f:(fun { name } -> is_main_merge_message ~msg:commit.commit.message ~branch:name cfg)
-    with
+    let default () = Lwt.return @@ Option.to_list cfg.prefix_rules.default in
+    match cfg.main_branch_name with
+    | None -> default ()
+    | Some main_branch_name ->
+    (* non-main branch build notifications go to default channel to reduce spam in topic channels *)
+    match List.exists n.branches ~f:(fun { name } -> String.equal name main_branch_name) with
+    | false -> default ()
     | true ->
-      log#info "main branch merge, ignoring status event %s: %s" n.context (first_line commit.commit.message);
-      Lwt.return []
-    | false -> Lwt.return (partition_commit cfg commit.files)
+      ( match%lwt Github.generate_query_commmit cfg ~url:n.commit.url ~sha:n.commit.sha with
+      | None -> default ()
+      | Some commit ->
+        (*
+      match
+        List.exists n.branches ~f:(fun { name } -> is_main_merge_message ~msg:commit.commit.message ~branch:name cfg)
+      with
+      | true ->
+        log#info "main branch merge, ignoring status event %s: %s" n.context (first_line commit.commit.message);
+        Lwt.return []
+      | false ->
+*)
+        Lwt.return (partition_commit cfg commit.files)
+      )
   in
   let res =
-    match List.exists cfg.status_rules.status ~f:(Poly.equal n.state) with
+    match
+      List.exists cfg.status_rules.status ~f:(fun x ->
+        match x with
+        | State s -> Poly.equal s n.state
+        | HideConsecutiveSuccess -> Poly.equal Success n.state
+        | _ -> false)
+    with
     | false -> Lwt.return []
     | true ->
     match List.exists ~f:id [ hide_cancelled n cfg; hide_success n ctx ] with
@@ -210,7 +263,7 @@ let partition_status (ctx : Context.t) (n : status_notification) =
   res
 
 let partition_commit_comment cfg n =
-  let default = Option.value_map cfg.prefix_rules.default ~default:[] ~f:(fun webhook -> [ webhook ]) in
+  let default = Option.to_list cfg.prefix_rules.default in
   match n.comment.path with
   | None ->
     ( match%lwt Github.generate_commit_from_commit_comment cfg n with
@@ -218,9 +271,9 @@ let partition_commit_comment cfg n =
     | Some commit -> Lwt.return (partition_commit cfg commit.files)
     )
   | Some p ->
-  match filter_commit cfg.prefix_rules.rules p with
-  | [] -> Lwt.return default
-  | l -> Lwt.return l
+  match chan_of_file cfg.prefix_rules.rules p with
+  | None -> Lwt.return default
+  | Some chan -> Lwt.return [ chan ]
 
 let generate_notifications (ctx : Context.t) req =
   let cfg = ctx.cfg in
@@ -248,7 +301,7 @@ let generate_notifications (ctx : Context.t) req =
     Lwt.return notifs
   | Status n ->
     let%lwt webhooks = partition_status ctx n in
-    let notifs = List.map ~f:(fun webhook -> webhook, generate_status_notification n) webhooks in
+    let notifs = List.map ~f:(fun webhook -> webhook, generate_status_notification cfg n) webhooks in
     Lwt.return notifs
   | _ -> Lwt.return []
 
diff --git a/lib/common.ml b/lib/common.ml
index db088ff1..b1e8205c 100644
--- a/lib/common.ml
+++ b/lib/common.ml
@@ -4,3 +4,15 @@ let first_line s =
   match String.split ~on:'\n' s with
   | x :: _ -> x
   | [] -> s
+
+module Tristate : Atdgen_runtime.Json_adapter.S = struct
+  let normalize = function
+    | `Bool true -> `String "true"
+    | `Bool false -> `String "false"
+    | x -> x
+
+  let restore = function
+    | `String "true" -> `Bool true
+    | `String "false" -> `Bool false
+    | x -> x
+end
diff --git a/lib/config.ml b/lib/config.ml
index f20bfcb6..d0ed9a31 100644
--- a/lib/config.ml
+++ b/lib/config.ml
@@ -1,9 +1,14 @@
 open Devkit
 module Chan_map = Map.Make (String)
 
+type config_status_state =
+  | State of Github_t.status_state
+  | Cancelled of string
+  | HideConsecutiveSuccess
+
 type status_rules = {
   title : string list option;
-  status : Github_t.status_state list;
+  status : config_status_state list;
 }
 
 type t = {
@@ -15,7 +20,6 @@ type t = {
   gh_token : string option;
   offline : string option;
   status_rules : status_rules;
-  suppress_cancelled_events : bool;
 }
 
 let make (json_config : Notabot_t.config) (secrets : Notabot_t.secrets) =
@@ -65,15 +69,22 @@ let make (json_config : Notabot_t.config) (secrets : Notabot_t.secrets) =
       let j = json_config.status_rules.status in
       List.filter_map id
         [
-          (if j.success then Some Success else None);
-          (if j.failure then Some Failure else None);
-          (if j.pending then Some Pending else None);
-          (if j.error then Some Error else None);
+          ( match j.success with
+          | False -> None
+          | True -> Some (State Success)
+          | Once -> Some HideConsecutiveSuccess
+          );
+          (if j.failure then Some (State Failure) else None);
+          (if j.pending then Some (State Pending) else None);
+          (if j.error then Some (State Error) else None);
+          ( match j.cancelled with
+          | Some r -> Some (Cancelled r)
+          | None -> None
+          );
         ]
     in
     { title = json_config.status_rules.title; status }
   in
-  let suppress_cancelled_events = Option.default true json_config.suppress_cancelled_events in
   {
     chans;
     prefix_rules = json_config.prefix_rules;
@@ -83,7 +94,6 @@ let make (json_config : Notabot_t.config) (secrets : Notabot_t.secrets) =
     gh_token = secrets.gh_token;
     offline = json_config.offline;
     status_rules;
-    suppress_cancelled_events;
   }
 
 let load_config_file ~config_path = Notabot_j.config_of_string @@ Stdio.In_channel.read_all config_path
diff --git a/lib/dune b/lib/dune
index 49a1512c..a6c44cf3 100644
--- a/lib/dune
+++ b/lib/dune
@@ -1,7 +1,8 @@
 (library
  (name lib)
- (libraries curl curl.lwt nocrypto hex atdgen base stdio lwt lwt.unix uri
-   devkit devkit.core omd base64)
+ (libraries atdgen atdgen-runtime base base.caml base64 biniou cstruct curl
+   curl.lwt devkit devkit.core hex lwt lwt.unix nocrypto omd re stdio uri
+   yojson)
  (preprocess
   (pps lwt_ppx)))
 
@@ -15,7 +16,7 @@
  (targets github_j.ml github_j.mli)
  (deps github.atd)
  (action
-  (run atdgen -j %{deps})))
+  (run atdgen -j -j-std %{deps})))
 
 (rule
  (targets slack_t.ml slack_t.mli)
@@ -27,7 +28,7 @@
  (targets slack_j.ml slack_j.mli)
  (deps slack.atd)
  (action
-  (run atdgen -j %{deps})))
+  (run atdgen -j -j-std %{deps})))
 
 (rule
  (targets notabot_t.ml notabot_t.mli)
@@ -39,4 +40,4 @@
  (targets notabot_j.ml notabot_j.mli)
  (deps notabot.atd)
  (action
-  (run atdgen -j %{deps})))
+  (run atdgen -j -j-std %{deps})))
diff --git a/lib/mrkdwn.ml b/lib/mrkdwn.ml
index 21ccd534..6c01b84c 100644
--- a/lib/mrkdwn.ml
+++ b/lib/mrkdwn.ml
@@ -1,9 +1,20 @@
 open Omd
 open Base
 
-let escape_url_chars str =
-  let repl c = String.substr_replace_all ~pattern:(Char.to_string c) ~with_:(Printf.sprintf "\\%c" c) in
-  str |> repl '<' |> repl '>' |> repl '|'
+let escape_url_chars = Staged.unstage @@ String.Escaping.escape ~escapeworthy:[ '<'; '>'; '|' ] ~escape_char:'\\'
+
+(* https://api.slack.com/reference/surfaces/formatting#escaping *)
+let escape_mrkdwn =
+  String.concat_map ~f:(function
+    | '<' -> "&lt;"
+    | '>' -> "&gt;"
+    | '&' -> "&amp;"
+    | c -> String.make 1 c)
+
+let unescape_omd =
+  Staged.unstage @@ String.Escaping.unescape_gen_exn ~escapeworthy_map:[ '(', '('; ')', ')' ] ~escape_char:'\\'
+
+let transform_text = escape_mrkdwn
 
 let rec transform_list = List.map ~f:transform
 
@@ -13,13 +24,12 @@ and surround s t =
   let t = to_markdown @@ transform_list t in
   Raw (Printf.sprintf "%s%s%s" s t s)
 
+(** massage markdown AST so that rendered result looks like slack mrkdwn *)
 and transform = function
-  | H1 t -> H1 (transform_list t)
-  | H2 t -> H2 (transform_list t)
-  | H3 t | H4 t | H5 t | H6 t -> Paragraph [ Bold (transform_list t) ]
+  | H1 t | H2 t | H3 t | H4 t | H5 t | H6 t -> Paragraph (transform_list [ Bold t ])
   | Paragraph t -> Paragraph (transform_list t)
-  | Emph t -> surround "_" t
-  | Bold t -> surround "*" t
+  | Emph t -> surround "_" (transform_list t)
+  | Bold t -> surround "*" (transform_list t)
   | Ul ts -> Ul (transform_flatten ts)
   | Ol ts -> Ol (transform_flatten ts)
   | Ulp ts -> Ulp (transform_flatten ts)
@@ -27,17 +37,15 @@ and transform = function
   | Url (href, label, title) ->
     let label = escape_url_chars @@ to_markdown @@ transform_list label in
     let title = if String.length title > 0 then Printf.sprintf "%s - " @@ escape_url_chars title else title in
-    Raw (Printf.sprintf "<%s%s|%s>" title label href)
+    Raw (Printf.sprintf "<%s|%s%s>" href title label)
   | Html _ as e -> Raw (Printf.sprintf "`%s`" @@ to_markdown [ e ])
   | Html_comment _ -> Br
   | Html_block _ as e -> Code_block ("", to_markdown [ e ])
   | Blockquote t -> Blockquote (transform_list t)
-  | Img (alt, src, title) -> Url (src, [ Text alt ], title)
+  | Img (alt, src, title) -> transform @@ Url (src, [ Text alt ], title)
   | Code_block (_, str) -> Code_block ("", str)
-  | (Text _ | Code _ | Br | Hr | NL | Ref _ | Img_ref _ | Raw _ | Raw_block _ | X _) as e -> e
-
-let of_doc t = transform_list t
-
-let to_mrkdwn doc = to_markdown @@ of_doc doc
+  | Text s -> Text (transform_text s)
+  | (Code _ | Br | Hr | NL | Ref _ | Img_ref _ | Raw _ | Raw_block _ | X _) as e -> e
 
-let mrkdwn_of_markdown str = to_mrkdwn @@ of_string str
+(* unescaping here is a workaround of to_markdown escaping parentheses in text (bug?) *)
+let mrkdwn_of_markdown str = unescape_omd @@ to_markdown @@ transform_list @@ of_string str
diff --git a/lib/notabot.atd b/lib/notabot.atd
index a457263e..d02d9f2e 100644
--- a/lib/notabot.atd
+++ b/lib/notabot.atd
@@ -51,11 +51,14 @@ type label_config = {
   rules: label_rule list;
 }
 
+type tristate = [ True | False | Once <json name="once"> ] <ocaml repr="classic"> <json adapter.ocaml="Common.Tristate">
+
 type status_state = {
-  success: bool;
+  success: tristate;
   failure: bool;
   pending: bool;
   error: bool;
+  ?cancelled: string option; (* if specified, it will use the string as regex to match the description from the payload to determine if the status_state is cancelled *)
 }
 
 type status_config = {
@@ -67,7 +70,6 @@ type config = {
   prefix_rules : prefix_config;
   label_rules : label_config;
   status_rules : status_config;
-  ?suppress_cancelled_events : bool option; (* supresses status cancelled events; if not specified - true *)
   ?main_branch_name: string option; (* used to filter out notifications about merges of main branch into other branches *)
   ?offline: string option; (* where to find github api data when http calls are not allowed *)
 }
diff --git a/lib/slack.ml b/lib/slack.ml
index db60081c..7a33bde7 100644
--- a/lib/slack.ml
+++ b/lib/slack.ml
@@ -28,24 +28,21 @@ let empty_attachments =
 
 let mrkdwn_of_markdown str = String.strip @@ Mrkdwn.mrkdwn_of_markdown str
 
-let mrkdwn_of_markdown_opt str_opt = Option.map ~f:mrkdwn_of_markdown str_opt
+let mrkdwn_of_markdown_opt = Option.map ~f:mrkdwn_of_markdown
+
+let show_labels = function
+  | [] -> None
+  | (labels: label list) -> Some (sprintf "Labels: %s" @@ String.concat ~sep:", " (List.map ~f:(fun x -> x.name) labels))
 
 let generate_pull_request_notification notification =
   let { action; number; sender; pull_request; repository } = notification in
   let ({ body; title; html_url; labels; _ } : pull_request) = pull_request in
-  let label_str =
-    match labels with
-    | [] -> None
-    | labels ->
-      let value = String.concat ~sep:", " (List.map ~f:(fun x -> x.name) labels) in
-      Some (sprintf "Labels: %s" value)
-  in
-  let action_str =
+  let action, body =
     match action with
-    | Opened -> "opened"
-    | Closed -> "closed"
-    | Reopened -> "reopened"
-    | Labeled -> "labeled"
+    | Opened -> "opened", Some body
+    | Closed -> "closed", None
+    | Reopened -> "reopened", None
+    | Labeled -> "labeled", show_labels labels
     | _ ->
       invalid_arg
         (sprintf "Notabot doesn't know how to generate notification for the unexpected event %s"
@@ -53,8 +50,8 @@ let generate_pull_request_notification notification =
   in
   let summary =
     Some
-      (sprintf "<%s|[%s]> Pull request #%d <%s|%s> %s by %s" repository.url repository.full_name number html_url title
-         action_str sender.login)
+      (sprintf "<%s|[%s]> Pull request #%d <%s|%s> %s by *%s*" repository.url repository.full_name number html_url title
+         action sender.login)
   in
   {
     text = None;
@@ -67,12 +64,7 @@ let generate_pull_request_notification notification =
             fallback = summary;
             color = Some "#ccc";
             pretext = summary;
-            text =
-              ( match action with
-              | Labeled -> label_str
-              | Closed -> None
-              | _ -> Some (mrkdwn_of_markdown body)
-              );
+            text = mrkdwn_of_markdown_opt body;
           };
         ];
     blocks = None;
@@ -97,7 +89,7 @@ let generate_pr_review_notification notification =
   in
   let summary =
     Some
-      (sprintf "<%s|[%s]> %s <%s|%s> #%d <%s|%s>" repository.url repository.full_name sender.login review.html_url
+      (sprintf "<%s|[%s]> *%s* <%s|%s> #%d <%s|%s>" repository.url repository.full_name sender.login review.html_url
          action_str number html_url title)
   in
   {
@@ -130,7 +122,7 @@ let generate_pr_review_comment_notification notification =
   in
   let summary =
     Some
-      (sprintf "<%s|[%s]> %s %s on #%d <%s|%s>" repository.url repository.full_name sender.login action_str number
+      (sprintf "<%s|[%s]> *%s* %s on #%d <%s|%s>" repository.url repository.full_name sender.login action_str number
          html_url title)
   in
   let file =
@@ -158,13 +150,13 @@ let generate_pr_review_comment_notification notification =
 
 let generate_issue_notification notification =
   let ({ action; sender; issue; repository } : issue_notification) = notification in
-  let { number; body; title; html_url; _ } = issue in
-  let action_str =
+  let { number; body; title; html_url; labels; _ } = issue in
+  let action, body =
     match action with
-    | Opened -> "opened"
-    | Closed -> "closed"
-    | Reopened -> "reopened"
-    | Labeled -> "labeled"
+    | Opened -> "opened", Some body
+    | Closed -> "closed", None
+    | Reopened -> "reopened", None
+    | Labeled -> "labeled", show_labels labels
     | _ ->
       invalid_arg
         (sprintf "Notabot doesn't know how to generate notification for the unexpected event %s"
@@ -172,8 +164,8 @@ let generate_issue_notification notification =
   in
   let summary =
     Some
-      (sprintf "<%s|[%s]> Issue #%d <%s|%s> %s by %s" repository.url repository.full_name number html_url title
-         action_str sender.login)
+      (sprintf "<%s|[%s]> Issue #%d <%s|%s> %s by *%s*" repository.url repository.full_name number html_url title action
+         sender.login)
   in
   {
     text = None;
@@ -186,7 +178,7 @@ let generate_issue_notification notification =
             fallback = summary;
             color = Some "#ccc";
             pretext = summary;
-            text = Some (mrkdwn_of_markdown body);
+            text = mrkdwn_of_markdown_opt body;
           };
         ];
     blocks = None;
@@ -206,7 +198,7 @@ let generate_issue_comment_notification notification =
   in
   let summary =
     Some
-      (sprintf "<%s|[%s]> %s <%s|%s> on #%d <%s|%s>" repository.url repository.full_name sender.login comment.html_url
+      (sprintf "<%s|[%s]> *%s* <%s|%s> on #%d <%s|%s>" repository.url repository.full_name sender.login comment.html_url
          action_str number issue.html_url title)
   in
   {
@@ -267,7 +259,7 @@ let generate_push_notification notification =
     blocks = None;
   }
 
-let generate_status_notification (notification : status_notification) =
+let generate_status_notification (cfg : Config.t) (notification : status_notification) =
   let { commit; state; description; target_url; context; repository; _ } = notification in
   let ({ commit : inner_commit; sha; author; html_url; _ } : status_commit) = commit in
   let ({ message; _ } : inner_commit) = commit in
@@ -292,11 +284,17 @@ let generate_status_notification (notification : status_notification) =
     | Some s -> Some (sprintf "*Description*: %s." s)
   in
   let commit_info =
-    sprintf "*Commit*: `<%s|%s>` %s - %s" html_url (git_short_sha_hash sha) (first_line message) author.login
+    [ sprintf "*Commit*: `<%s|%s>` %s - %s" html_url (git_short_sha_hash sha) (first_line message) author.login ]
   in
   let branches_info =
-    let branches = notification.branches |> List.map ~f:(fun ({ name } : branch) -> name) |> String.concat ~sep:", " in
-    sprintf "*Branches*: %s" branches
+    match List.map ~f:(fun { name } -> name) notification.branches with
+    | [] -> [] (* happens when branch is force-pushed by the time CI notification arrives *)
+    | branches ->
+    match cfg.main_branch_name with
+    | Some main when List.mem branches main ~equal:String.equal ->
+      (* happens when new branches are branched before CI finishes *)
+      [ sprintf "*Branch*: %s" main ]
+    | _ -> [ sprintf "*Branches*: %s" (String.concat ~sep:", " branches) ]
   in
   let summary =
     match target_url with
@@ -320,7 +318,8 @@ let generate_status_notification (notification : status_notification) =
             pretext = summary;
             color = Some color_info;
             text = description_info;
-            fields = Some [ { title = None; value = String.concat ~sep:"\n" [ commit_info; branches_info ] } ];
+            fields =
+              Some [ { title = None; value = String.concat ~sep:"\n" @@ List.concat [ commit_info; branches_info ] } ];
           };
         ];
     blocks = None;
@@ -339,7 +338,7 @@ let generate_commit_comment_notification cfg notification =
     in
     let summary =
       Some
-        (sprintf "<%s|[%s]> %s commented on `<%s|%s>` %s" repository.url repository.full_name sender.login
+        (sprintf "<%s|[%s]> *%s* commented on `<%s|%s>` %s" repository.url repository.full_name sender.login
            comment.html_url (git_short_sha_hash commit_id) (first_line commit.message))
     in
     let path =
@@ -369,10 +368,7 @@ let generate_commit_comment_notification cfg notification =
     Lwt.return notifs
 
 let send_notification webhook_url data =
-  let data = Slack_j.string_of_webhook_notification data in
   let body = `Raw ("application/json", data) in
   match%lwt Web.http_request_lwt ~verbose:true ~body `POST webhook_url with
   | `Ok _ -> Lwt.return_unit
-  | `Error e ->
-    log#error "error when posting notification to slack: %s" e;
-    Exn_lwt.fail "unable to send notification to slack"
+  | `Error e -> Exn_lwt.fail "failed to send notification to slack : %s" e
diff --git a/mock_payloads/push.two_commits_longest_match.json b/mock_payloads/push.two_commits_longest_match.json
new file mode 100644
index 00000000..3d91cb4b
--- /dev/null
+++ b/mock_payloads/push.two_commits_longest_match.json
@@ -0,0 +1,204 @@
+{
+  "ref": "refs/heads/master",
+  "before": "fb245e2a6d52d10025c8bd4f36f6e3134d85ae18",
+  "after": "e2173f38ae43865433a182c1fc1b5442d9763b54",
+  "created": false,
+  "deleted": false,
+  "forced": false,
+  "base_ref": null,
+  "compare": "https://github.com/thatportugueseguy/monorepo/compare/fb245e2a6d52...e2173f38ae43",
+  "commits": [
+    {
+      "id": "80452f696a8988e7234063d47720a62e902f2afc",
+      "tree_id": "bf7530bb0b13d0b9f471ff5d1951c59488b5704c",
+      "distinct": true,
+      "message": "Update readme",
+      "timestamp": "2019-07-06T11:47:56+01:00",
+      "url": "https://github.com/thatportugueseguy/monorepo/commit/80452f696a8988e7234063d47720a62e902f2afc",
+      "author": {
+        "name": "jose nogueira",
+        "email": "mail@example.org",
+        "username": "thatportugueseguy"
+      },
+      "committer": {
+        "name": "jose nogueira",
+        "email": "mail@example.org",
+        "username": "thatportugueseguy"
+      },
+      "added": [],
+      "removed": [],
+      "modified": [
+        "README.md"
+      ]
+    },
+    {
+      "id": "e2173f38ae43865433a182c1fc1b5442d9763b54",
+      "tree_id": "6dc065fdfacfc72cd7b1f5e7a9391c238e4fb74e",
+      "distinct": true,
+      "message": "Add TESTING.md",
+      "timestamp": "2019-07-06T11:48:38+01:00",
+      "url": "https://github.com/thatportugueseguy/monorepo/commit/e2173f38ae43865433a182c1fc1b5442d9763b54",
+      "author": {
+        "name": "jose nogueira",
+        "email": "mail@example.org",
+        "username": "thatportugueseguy"
+      },
+      "committer": {
+        "name": "jose nogueira",
+        "email": "mail@example.org",
+        "username": "thatportugueseguy"
+      },
+      "added": [
+        "TESTING.md",
+        "backend/a1/longest/test.ml"
+      ],
+      "removed": [],
+      "modified": []
+    }
+  ],
+  "head_commit": {
+    "id": "e2173f38ae43865433a182c1fc1b5442d9763b54",
+    "tree_id": "6dc065fdfacfc72cd7b1f5e7a9391c238e4fb74e",
+    "distinct": true,
+    "message": "Add TESTING.md",
+    "timestamp": "2019-07-06T11:48:38+01:00",
+    "url": "https://github.com/thatportugueseguy/monorepo/commit/e2173f38ae43865433a182c1fc1b5442d9763b54",
+    "author": {
+      "name": "jose nogueira",
+      "email": "mail@example.org",
+      "username": "thatportugueseguy"
+    },
+    "committer": {
+      "name": "jose nogueira",
+      "email": "mail@example.org",
+      "username": "thatportugueseguy"
+    },
+    "added": [
+      "TESTING.md"
+    ],
+    "removed": [],
+    "modified": []
+  },
+  "repository": {
+    "id": 0,
+    "node_id": "00000000000000000000",
+    "name": "monorepo",
+    "full_name": "thatportugueseguy/monorepo",
+    "private": true,
+    "owner": {
+      "name": "thatportugueseguy",
+      "email": "mail@example.org",
+      "login": "thatportugueseguy",
+      "id": 0,
+      "node_id": "00000000000000000000",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/000000?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/thatportugueseguy",
+      "html_url": "https://github.com/thatportugueseguy",
+      "followers_url": "https://api.github.com/users/thatportugueseguy/followers",
+      "following_url": "https://api.github.com/users/thatportugueseguy/following{/other_user}",
+      "gists_url": "https://api.github.com/users/thatportugueseguy/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/thatportugueseguy/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/thatportugueseguy/subscriptions",
+      "organizations_url": "https://api.github.com/users/thatportugueseguy/orgs",
+      "repos_url": "https://api.github.com/users/thatportugueseguy/repos",
+      "events_url": "https://api.github.com/users/thatportugueseguy/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/thatportugueseguy/received_events",
+      "type": "User",
+      "site_admin": false
+    },
+    "html_url": "https://github.com/thatportugueseguy/monorepo",
+    "description": null,
+    "fork": false,
+    "url": "https://github.com/thatportugueseguy/monorepo",
+    "forks_url": "https://api.github.com/repos/thatportugueseguy/monorepo/forks",
+    "keys_url": "https://api.github.com/repos/thatportugueseguy/monorepo/keys{/key_id}",
+    "collaborators_url": "https://api.github.com/repos/thatportugueseguy/monorepo/collaborators{/collaborator}",
+    "teams_url": "https://api.github.com/repos/thatportugueseguy/monorepo/teams",
+    "hooks_url": "https://api.github.com/repos/thatportugueseguy/monorepo/hooks",
+    "issue_events_url": "https://api.github.com/repos/thatportugueseguy/monorepo/issues/events{/number}",
+    "events_url": "https://api.github.com/repos/thatportugueseguy/monorepo/events",
+    "assignees_url": "https://api.github.com/repos/thatportugueseguy/monorepo/assignees{/user}",
+    "branches_url": "https://api.github.com/repos/thatportugueseguy/monorepo/branches{/branch}",
+    "tags_url": "https://api.github.com/repos/thatportugueseguy/monorepo/tags",
+    "blobs_url": "https://api.github.com/repos/thatportugueseguy/monorepo/git/blobs{/sha}",
+    "git_tags_url": "https://api.github.com/repos/thatportugueseguy/monorepo/git/tags{/sha}",
+    "git_refs_url": "https://api.github.com/repos/thatportugueseguy/monorepo/git/refs{/sha}",
+    "trees_url": "https://api.github.com/repos/thatportugueseguy/monorepo/git/trees{/sha}",
+    "statuses_url": "https://api.github.com/repos/thatportugueseguy/monorepo/statuses/{sha}",
+    "languages_url": "https://api.github.com/repos/thatportugueseguy/monorepo/languages",
+    "stargazers_url": "https://api.github.com/repos/thatportugueseguy/monorepo/stargazers",
+    "contributors_url": "https://api.github.com/repos/thatportugueseguy/monorepo/contributors",
+    "subscribers_url": "https://api.github.com/repos/thatportugueseguy/monorepo/subscribers",
+    "subscription_url": "https://api.github.com/repos/thatportugueseguy/monorepo/subscription",
+    "commits_url": "https://api.github.com/repos/thatportugueseguy/monorepo/commits{/sha}",
+    "git_commits_url": "https://api.github.com/repos/thatportugueseguy/monorepo/git/commits{/sha}",
+    "comments_url": "https://api.github.com/repos/thatportugueseguy/monorepo/comments{/number}",
+    "issue_comment_url": "https://api.github.com/repos/thatportugueseguy/monorepo/issues/comments{/number}",
+    "contents_url": "https://api.github.com/repos/thatportugueseguy/monorepo/contents/{+path}",
+    "compare_url": "https://api.github.com/repos/thatportugueseguy/monorepo/compare/{base}...{head}",
+    "merges_url": "https://api.github.com/repos/thatportugueseguy/monorepo/merges",
+    "archive_url": "https://api.github.com/repos/thatportugueseguy/monorepo/{archive_format}{/ref}",
+    "downloads_url": "https://api.github.com/repos/thatportugueseguy/monorepo/downloads",
+    "issues_url": "https://api.github.com/repos/thatportugueseguy/monorepo/issues{/number}",
+    "pulls_url": "https://api.github.com/repos/thatportugueseguy/monorepo/pulls{/number}",
+    "milestones_url": "https://api.github.com/repos/thatportugueseguy/monorepo/milestones{/number}",
+    "notifications_url": "https://api.github.com/repos/thatportugueseguy/monorepo/notifications{?since,all,participating}",
+    "labels_url": "https://api.github.com/repos/thatportugueseguy/monorepo/labels{/name}",
+    "releases_url": "https://api.github.com/repos/thatportugueseguy/monorepo/releases{/id}",
+    "deployments_url": "https://api.github.com/repos/thatportugueseguy/monorepo/deployments",
+    "created_at": 1562409695,
+    "updated_at": "2019-07-06T10:42:28Z",
+    "pushed_at": 1562410128,
+    "git_url": "git://github.com/thatportugueseguy/monorepo.git",
+    "ssh_url": "git@github.com:thatportugueseguy/monorepo.git",
+    "clone_url": "https://github.com/thatportugueseguy/monorepo.git",
+    "svn_url": "https://github.com/thatportugueseguy/monorepo",
+    "homepage": null,
+    "size": 0,
+    "stargazers_count": 0,
+    "watchers_count": 0,
+    "language": null,
+    "has_issues": true,
+    "has_projects": true,
+    "has_downloads": true,
+    "has_wiki": true,
+    "has_pages": false,
+    "forks_count": 0,
+    "mirror_url": null,
+    "archived": false,
+    "disabled": false,
+    "open_issues_count": 0,
+    "license": null,
+    "forks": 0,
+    "open_issues": 0,
+    "watchers": 0,
+    "default_branch": "master",
+    "stargazers": 0,
+    "master_branch": "master"
+  },
+  "pusher": {
+    "name": "thatportugueseguy",
+    "email": "mail@example.org"
+  },
+  "sender": {
+    "login": "thatportugueseguy",
+    "id": 0,
+    "node_id": "00000000000000000000",
+    "avatar_url": "https://avatars1.githubusercontent.com/u/000000?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/thatportugueseguy",
+    "html_url": "https://github.com/thatportugueseguy",
+    "followers_url": "https://api.github.com/users/thatportugueseguy/followers",
+    "following_url": "https://api.github.com/users/thatportugueseguy/following{/other_user}",
+    "gists_url": "https://api.github.com/users/thatportugueseguy/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/thatportugueseguy/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/thatportugueseguy/subscriptions",
+    "organizations_url": "https://api.github.com/users/thatportugueseguy/orgs",
+    "repos_url": "https://api.github.com/users/thatportugueseguy/repos",
+    "events_url": "https://api.github.com/users/thatportugueseguy/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/thatportugueseguy/received_events",
+    "type": "User",
+    "site_admin": false
+  }
+}
\ No newline at end of file
diff --git a/notabot.opam b/notabot.opam
index 7ee12647..6341d647 100644
--- a/notabot.opam
+++ b/notabot.opam
@@ -13,16 +13,20 @@ depends: [
  "dune" {>= "2.5.0"}
  "atdgen"
  "base"
+ "biniou"
  "cmdliner"
+ "cstruct"
  "devkit"
  "hex"
  "lwt"
  "lwt_ppx"
  "nocrypto"
+ "re"
  "stdio"
  "uri"
  "ocamlformat" {dev & = "0.13.0"}
  "base64"
  "omd" {< "2.0.0"}
+ "yojson"
 ]
 build: ["dune" "build" "-p" name]
diff --git a/src/dune b/src/dune
index 62680a81..7df15051 100644
--- a/src/dune
+++ b/src/dune
@@ -1,5 +1,6 @@
 (executable
- (libraries lib cmdliner devkit devkit.core)
+ (libraries lib base base.caml base64 cmdliner devkit devkit.core lwt.unix
+   stdio uri)
  (preprocess
   (pps lwt_ppx))
  (public_name notabot))
diff --git a/src/notabot.ml b/src/notabot.ml
index 27a35014..8c33f1c9 100644
--- a/src/notabot.ml
+++ b/src/notabot.ml
@@ -26,7 +26,7 @@ let send_slack_notification webhook file =
   let data = Stdio.In_channel.read_all file in
   match Slack_j.webhook_notification_of_string data with
   | exception exn -> log#error ~exn "unable to parse notification"
-  | data -> Lwt_main.run (Slack.send_notification webhook data)
+  | _ -> Lwt_main.run (Slack.send_notification webhook data)
 
 let check_common file print config secrets state_path =
   let ctx_thunk =
diff --git a/src/request_handler.ml b/src/request_handler.ml
index 56ed8707..6abc427f 100644
--- a/src/request_handler.ml
+++ b/src/request_handler.ml
@@ -26,7 +26,9 @@ let process_github_notification (ctx_thunk : Lib.Context.context_thunk) headers
     Lwt_list.iter_s
       (fun (chan, msg) ->
         let url = Config.Chan_map.find chan cfg.chans in
-        Slack.send_notification url msg)
+        let data = Slack_j.string_of_webhook_notification msg in
+        log#info "sending to %s : %s" chan data;
+        Slack.send_notification url data)
       notifications
   with
   | Lib.Context.Context_Error s ->
@@ -56,7 +58,6 @@ let setup_http ~ctx_thunk ~signature ~port ~ip =
         body @@ serve ~status ?extra request typ r
       in
       let ret_err status s = body @@ serve_text ~status request s in
-      log#info "http: %s" (show_request request);
       try%lwt
         let path =
           match Stre.nsplitc request.path '/' with
diff --git a/test/dune b/test/dune
index 9511a626..d7df070b 100644
--- a/test/dune
+++ b/test/dune
@@ -1,6 +1,7 @@
 (executable
  (name test)
- (libraries lib)
+ (libraries lib base base.caml base64 devkit devkit.core lwt.unix stdio
+   yojson)
  (preprocess
   (pps lwt_ppx)))
 
diff --git a/test/notabot.json b/test/notabot.json
index f11e940e..8f545e41 100644
--- a/test/notabot.json
+++ b/test/notabot.json
@@ -8,9 +8,10 @@
         ],
         "status": {
             "pending": false,
-            "success": true,
             "failure": true,
-            "error": true
+            "error": true,
+            "cancelled": "^\\(Build #[0-9]+ canceled by .+\\|Failed (exit status 255)\\)$",
+            "success": "once"
         }
     },
     "prefix_rules": {
@@ -23,6 +24,13 @@
                 "ignore": [],
                 "chan": "a1"
             },
+            {
+                "prefix": [
+                    "backend/a1/longest"
+                ],
+                "ignore": [],
+                "chan": "longest-a1"
+            },
             {
                 "prefix": [
                     "backend/a5",
@@ -72,6 +80,5 @@
                 "chan": "frontend-bot"
             }
         ]
-    },
-    "suppress_cancelled_events": true
+    }
 }
diff --git a/test/secrets.json b/test/secrets.json
index 35223adf..f29896fd 100644
--- a/test/secrets.json
+++ b/test/secrets.json
@@ -8,6 +8,10 @@
             "url": "https://slack_webhook_url",
             "channel": "a1"
         },
+        {
+            "url": "https://slack_webhook_url",
+            "channel": "longest-a1"
+        },
         {
             "url": "https://slack_webhook_url",
             "channel": "backend"
diff --git a/test/slack_payloads.expected b/test/slack_payloads.expected
index 8710a0ff..1b22f7f9 100644
--- a/test/slack_payloads.expected
+++ b/test/slack_payloads.expected
@@ -4,11 +4,11 @@ will notify #all-push-events
   "attachments": [
     {
       "fallback":
-        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> xinyuluo commented on `<https://github.com/ahrefs/monorepo/commit/0d95302addd66c1816bce1b1d495ed1c93ccd478#commitcomment-0|0d95302a>` Update README.md",
+        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> *xinyuluo* commented on `<https://github.com/ahrefs/monorepo/commit/0d95302addd66c1816bce1b1d495ed1c93ccd478#commitcomment-0|0d95302a>` Update README.md",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> xinyuluo commented on `<https://github.com/ahrefs/monorepo/commit/0d95302addd66c1816bce1b1d495ed1c93ccd478#commitcomment-0|0d95302a>` Update README.md",
+        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> *xinyuluo* commented on `<https://github.com/ahrefs/monorepo/commit/0d95302addd66c1816bce1b1d495ed1c93ccd478#commitcomment-0|0d95302a>` Update README.md",
       "text": "comment here",
       "footer":
         "New comment by xinyuluo in <https://github.com/ahrefs/monorepo/commit/0d95302addd66c1816bce1b1d495ed1c93ccd478#commitcomment-0|README.md>"
@@ -21,11 +21,11 @@ will notify #all-push-events
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "text": "add a commit comment"
     }
   ]
@@ -36,11 +36,11 @@ will notify #a1
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
       "text": "this is a test for general commit comment with multiple paths"
     }
   ]
@@ -50,11 +50,11 @@ will notify #all-push-events
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/1edcdf5e45a8b7ed01c247b981d8f42d426a7794#commitcomment-0|1edcdf5e>` Add files via upload",
       "text": "this is a test for general commit comment with multiple paths"
     }
   ]
@@ -65,11 +65,11 @@ will notify #all-push-events
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "text":
         "this can be written shorter:\n`\n| Some serpDomain -> Domain.is_subdomain serpDomain domain\n| None -> false`",
       "footer":
@@ -83,13 +83,13 @@ will notify #all-push-events
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "text":
-        "*bold*, _italic_\n\n> blockquote\n\n\n- list-element 1\n- list-element 2\n    - list-element2.1\n    - <list-element2.2|www.google.com>\n\n\n```\n<div>html block</div>\n```\n```\nStdio.printf \"hello ocaml\"\n```",
+        "*bold*, _italic_\n\n> blockquote\n\n\n- list-element 1\n- list-element 2\n    - list-element2.1\n    - <www.google.com|list-element2.2>\n\n\n```\n<div>html block</div>\n```\n```\nStdio.printf \"hello ocaml\"\n```",
       "footer":
         "New comment by xinyuluo in <https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|main.ml>"
     }
@@ -101,11 +101,11 @@ will notify #all-push-events
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/41dad1d3d41f329f00836f166a7103a262e69889#commitcomment-0|41dad1d3>` make changes in 2 files",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/41dad1d3d41f329f00836f166a7103a262e69889#commitcomment-0|41dad1d3>` make changes in 2 files",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/41dad1d3d41f329f00836f166a7103a262e69889#commitcomment-0|41dad1d3>` make changes in 2 files",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/41dad1d3d41f329f00836f166a7103a262e69889#commitcomment-0|41dad1d3>` make changes in 2 files",
       "text": "make a comment"
     }
   ]
@@ -116,11 +116,11 @@ will notify #all-push-events
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "mrkdwn_in": [ "pretext", "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on `<https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|cd5b85af>` add new line at EOF",
       "text": "add a single comment on the code in a commit",
       "footer":
         "New comment by xinyuluo in <https://github.com/xinyuluo/monorepo/commit/cd5b85afa306840e0790b62e349ee1f828b2a3c2#commitcomment-0|main.ml>"
@@ -133,11 +133,11 @@ will notify #default
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/issues/5#issuecomment-633347088|commented> on #5 <https://github.com/xinyuluo/monorepo/issues/5|handle issue event>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/issues/5#issuecomment-633347088|commented> on #5 <https://github.com/xinyuluo/monorepo/issues/5|handle issue event>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/issues/5#issuecomment-633347088|commented> on #5 <https://github.com/xinyuluo/monorepo/issues/5|handle issue event>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/issues/5#issuecomment-633347088|commented> on #5 <https://github.com/xinyuluo/monorepo/issues/5|handle issue event>",
       "text": "handle issue comment"
     }
   ]
@@ -148,11 +148,11 @@ will notify #a1-bot
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "text": "comment example"
     }
   ]
@@ -162,11 +162,11 @@ will notify #backend
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/pull/4#issuecomment-633344303|commented> on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "text": "comment example"
     }
   ]
@@ -178,11 +178,11 @@ will notify #frontend-bot
   "attachments": [
     {
       "fallback":
-        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> yasunariw <https://github.com/ahrefs/monorepo/pull/6168#issuecomment-17123|commented> on #6168 <https://github.com/ahrefs/monorepo/pull/6168|Feature 1234>",
+        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> *yasunariw* <https://github.com/ahrefs/monorepo/pull/6168#issuecomment-17123|commented> on #6168 <https://github.com/ahrefs/monorepo/pull/6168|Feature 1234>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> yasunariw <https://github.com/ahrefs/monorepo/pull/6168#issuecomment-17123|commented> on #6168 <https://github.com/ahrefs/monorepo/pull/6168|Feature 1234>",
+        "<https://github.com/ahrefs/monorepo|[ahrefs/monorepo]> *yasunariw* <https://github.com/ahrefs/monorepo/pull/6168#issuecomment-17123|commented> on #6168 <https://github.com/ahrefs/monorepo/pull/6168|Feature 1234>",
       "text":
         "> I do not understand this\n\n\nDo you have access to the logs on the website?"
     }
@@ -195,13 +195,11 @@ will notify #backend
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> closed by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> closed by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> closed by xinyuluo",
-      "text":
-        "consider multiple cases including labeled/opened/closed/reopened"
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> closed by *xinyuluo*"
     }
   ]
 }
@@ -211,13 +209,12 @@ will notify #backend
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> labeled by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> labeled by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> labeled by xinyuluo",
-      "text":
-        "consider multiple cases including labeled/opened/closed/reopened"
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> labeled by *xinyuluo*",
+      "text": "Labels: backend"
     }
   ]
 }
@@ -227,11 +224,11 @@ will notify #default
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> opened by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> opened by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> opened by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> opened by *xinyuluo*",
       "text":
         "consider multiple cases including labeled/opened/closed/reopened"
     }
@@ -243,13 +240,11 @@ will notify #backend
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> reopened by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> reopened by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> reopened by xinyuluo",
-      "text":
-        "consider multiple cases including labeled/opened/closed/reopened"
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Issue #6 <https://github.com/xinyuluo/monorepo/issues/6|create a test for issue_notification> reopened by *xinyuluo*"
     }
   ]
 }
@@ -259,11 +254,11 @@ will notify #a1-bot
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #8 <https://github.com/xinyuluo/monorepo/pull/8|Update README.md> closed by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #8 <https://github.com/xinyuluo/monorepo/pull/8|Update README.md> closed by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #8 <https://github.com/xinyuluo/monorepo/pull/8|Update README.md> closed by xinyuluo"
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #8 <https://github.com/xinyuluo/monorepo/pull/8|Update README.md> closed by *xinyuluo*"
     }
   ]
 }
@@ -273,11 +268,11 @@ will notify #default
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #2 <https://github.com/xinyuluo/monorepo/pull/2|Update README.md> closed by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #2 <https://github.com/xinyuluo/monorepo/pull/2|Update README.md> closed by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #2 <https://github.com/xinyuluo/monorepo/pull/2|Update README.md> closed by xinyuluo"
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #2 <https://github.com/xinyuluo/monorepo/pull/2|Update README.md> closed by *xinyuluo*"
     }
   ]
 }
@@ -287,11 +282,11 @@ will notify #a1-bot
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by *xinyuluo*",
       "text": "Labels: a1, backend"
     }
   ]
@@ -301,11 +296,11 @@ will notify #backend
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #4 <https://github.com/xinyuluo/monorepo/pull/4|README update> labeled by *xinyuluo*",
       "text": "Labels: a1, backend"
     }
   ]
@@ -316,11 +311,11 @@ will notify #frontend-bot
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md> opened by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md> opened by *xinyuluo*",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md> opened by xinyuluo",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> Pull request #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md> opened by *xinyuluo*",
       "text": ""
     }
   ]
@@ -332,11 +327,11 @@ will notify #default
   "attachments": [
     {
       "fallback":
-        "<https://github.com/Khady/monorepo|[Khady/monorepo]> Khady <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|approved> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
+        "<https://github.com/Khady/monorepo|[Khady/monorepo]> *Khady* <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|approved> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/Khady/monorepo|[Khady/monorepo]> Khady <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|approved> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
+        "<https://github.com/Khady/monorepo|[Khady/monorepo]> *Khady* <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|approved> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
       "text": "approve review"
     }
   ]
@@ -347,11 +342,11 @@ will notify #frontend-bot
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/pull/3#pullrequestreview-0|commented on> #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/pull/3#pullrequestreview-0|commented on> #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo <https://github.com/xinyuluo/monorepo/pull/3#pullrequestreview-0|commented on> #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* <https://github.com/xinyuluo/monorepo/pull/3#pullrequestreview-0|commented on> #3 <https://github.com/xinyuluo/monorepo/pull/3|Update README.md>",
       "text": "submit a PR review"
     }
   ]
@@ -364,11 +359,11 @@ will notify #default
   "attachments": [
     {
       "fallback":
-        "<https://github.com/Khady/monorepo|[Khady/monorepo]> Khady <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|requested changes on> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
+        "<https://github.com/Khady/monorepo|[Khady/monorepo]> *Khady* <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|requested changes on> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/Khady/monorepo|[Khady/monorepo]> Khady <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|requested changes on> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
+        "<https://github.com/Khady/monorepo|[Khady/monorepo]> *Khady* <https://github.com/Khady/monorepo/pull/6#pullrequestreview-0|requested changes on> #6 <https://github.com/Khady/monorepo/pull/6|create pr_review_test.md>",
       "text": "request changes review"
     }
   ]
@@ -381,11 +376,11 @@ will notify #a1-bot
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "text": "PR review comment example",
       "footer":
         "New comment by xinyuluo in <https://github.com/xinyuluo/monorepo/pull/4#discussion_r0|README.md>"
@@ -397,11 +392,11 @@ will notify #backend
   "attachments": [
     {
       "fallback":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "mrkdwn_in": [ "text" ],
       "color": "#ccc",
       "pretext":
-        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> xinyuluo commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
+        "<https://github.com/xinyuluo/monorepo|[xinyuluo/monorepo]> *xinyuluo* commented on #4 <https://github.com/xinyuluo/monorepo/pull/4|README update>",
       "text": "PR review comment example",
       "footer":
         "New comment by xinyuluo in <https://github.com/xinyuluo/monorepo/pull/4#discussion_r0|README.md>"
@@ -429,9 +424,46 @@ will notify #all-push-events
     }
   ]
 }
+===== file ../mock_payloads/push.two_commits_longest_match.json =====
+will notify #all-push-events
+{
+  "text":
+    "<https://github.com/thatportugueseguy/monorepo/tree/master|[monorepo:master]> <https://github.com/thatportugueseguy/monorepo/compare/fb245e2a6d52...e2173f38ae43|2 commits> pushed by thatportugueseguy",
+  "attachments": [
+    {
+      "fallback": "Commit pushed notification",
+      "mrkdwn_in": [ "fields" ],
+      "color": "#ccc",
+      "fields": [
+        {
+          "value":
+            "`<https://github.com/thatportugueseguy/monorepo/commit/80452f696a8988e7234063d47720a62e902f2afc|80452f69>` Update readme - jose nogueira\n`<https://github.com/thatportugueseguy/monorepo/commit/e2173f38ae43865433a182c1fc1b5442d9763b54|e2173f38>` Add TESTING.md - jose nogueira"
+        }
+      ]
+    }
+  ]
+}
+will notify #longest-a1
+{
+  "text":
+    "<https://github.com/thatportugueseguy/monorepo/tree/master|[monorepo:master]> <https://github.com/thatportugueseguy/monorepo/compare/fb245e2a6d52...e2173f38ae43|1 commit> pushed by thatportugueseguy",
+  "attachments": [
+    {
+      "fallback": "Commit pushed notification",
+      "mrkdwn_in": [ "fields" ],
+      "color": "#ccc",
+      "fields": [
+        {
+          "value":
+            "`<https://github.com/thatportugueseguy/monorepo/commit/e2173f38ae43865433a182c1fc1b5442d9763b54|e2173f38>` Add TESTING.md - jose nogueira"
+        }
+      ]
+    }
+  ]
+}
 ===== file ../mock_payloads/status.cancelled_test.json =====
 ===== file ../mock_payloads/status.failure_test.json =====
-will notify #all-push-events
+will notify #default
 {
   "attachments": [
     {
@@ -455,7 +487,7 @@ will notify #all-push-events
 ===== file ../mock_payloads/status.pending_test.json =====
 ===== file ../mock_payloads/status.state_hide_success_test.json =====
 ===== file ../mock_payloads/status.success_public_repo_no_buildkite.json =====
-will notify #all-push-events
+will notify #default
 {
   "attachments": [
     {
@@ -475,7 +507,7 @@ will notify #all-push-events
   ]
 }
 ===== file ../mock_payloads/status.success_test.json =====
-will notify #all-push-events
+will notify #default
 {
   "attachments": [
     {