Updated the comments

Author: kishansomaiya

settings.json.docker

@@ -684,7 +684,7 @@
   "socketTransportProtocols" : ["websocket", "polling"],
 
   /*
-   * Performance experiment (#7780): room-broadcast NEW_CHANGES to steady-state
+   * room-broadcast NEW_CHANGES to steady-state
    * recipients, keep per-socket catch-up for stragglers.
    */
   "roomBroadcastNewChanges": "${ROOM_BROADCAST_NEW_CHANGES:false}",

settings.json.template

@@ -766,7 +766,7 @@
   "socketTransportProtocols" : ["websocket", "polling"],
 
   /*
-   * Performance experiment (#7780): use room-broadcast NEW_CHANGES fan-out for
+   * use room-broadcast NEW_CHANGES fan-out for
    * steady-state recipients (clients at head-1), while stragglers still catch
    * up via per-socket emits.
    *

src/node/handler/PadMessageHandler.ts

@@ -1046,7 +1046,6 @@ exports.updatePadClients = async (pad: PadType) => {
       }
     }
 
-    // Broadcast the latest revision once for all steady-state recipients (head-1).
     if (syncedSocketIds.length > 0 && headRev >= 0) {
       const revision = await getRevision(headRev);
       const author = revision.meta.author;
@@ -1073,7 +1072,6 @@ exports.updatePadClients = async (pad: PadType) => {
           ns.to(pad.id).emit('message', msg);
         }
       } else {
-        // Fallback to direct socket emits if namespace is unavailable.
         for (const socketId of syncedSocketIds) {
           const socket = roomSockets.find((s) => s.id === socketId);
           if (socket != null) socket.emit('message', msg);
@@ -1089,7 +1087,6 @@ exports.updatePadClients = async (pad: PadType) => {
       }
     }
 
-    // Stragglers still need per-socket catch-up to preserve rev+1 semantics.
     await Promise.all(stragglerSockets.map(async (socket) => {
       const sessioninfo = sessioninfos[socket.id];
       if (sessioninfo == null) return;