Additional v12 deprecation adjustments.

module/applications/award.mjs

@@ -260,11 +260,13 @@ export default class Award extends DialogMixin(FormApplication) {
 
       const whisperTargets = game.users.filter(user => destination.testUserPermission(user, "OWNER"));
       const whisper = whisperTargets.length !== game.users.size;
-      messages.push({
-        type: CONST.CHAT_MESSAGE_TYPES.OTHER,
+      const messageData = {
         content,
         whisper: whisper ? whisperTargets : []
-      });
+      };
+      // TODO: Remove when v11 support is dropped.
+      if ( game.release.generation < 12 ) messageData.type = CONST.CHAT_MESSAGE_TYPES.OTHER;
+      messages.push(messageData);
     }
     if ( messages.length ) cls.createDocuments(messages);
   }

module/dice/damage-roll.mjs

@@ -208,10 +208,11 @@ export default class DamageRoll extends Roll {
     // Prepare chat data
     messageData = foundry.utils.mergeObject({
       user: game.user.id,
-      type: CONST.CHAT_MESSAGE_TYPES.ROLL,
       sound: CONFIG.sounds.dice
     }, messageData);
     messageData.rolls = rolls;
+    // TODO: Remove when v11 support is dropped.
+    if ( game.release.generation < 12 ) messageData.type = CONST.CHAT_MESSAGE_TYPES.ROLL;
 
     // Either create the message or just return the chat data
     const cls = getDocumentClass("ChatMessage");

module/documents/item.mjs

@@ -1398,11 +1398,12 @@ export default class Item5e extends SystemDocumentMixin(Item) {
     // Create the ChatMessage data object
     const chatData = {
       user: game.user.id,
-      type: CONST.CHAT_MESSAGE_TYPES.OTHER,
       content: html,
       speaker: ChatMessage.getSpeaker({actor: this.actor, token}),
       flags: {"core.canPopout": true}
     };
+    // TODO: Remove when v11 support is dropped.
+    if ( game.release.generation < 12 ) chatData.type = CONST.CHAT_MESSAGE_TYPES.OTHER;
 
     // If the Item was destroyed in the process of displaying its card - embed the item data in the chat message
     if ( (this.type === "consumable") && !this.actor.items.has(this.id) ) {
@@ -2160,7 +2161,7 @@ export default class Item5e extends SystemDocumentMixin(Item) {
    */
   static _onChatCardToggleContent(event) {
     const header = event.currentTarget;
-    if ( header.classList.contains("collapsible") ) {
+    if ( header.classList.contains("collapsible") && !event.target.closest(".collapsible-content.card-content") ) {
       event.preventDefault();
       header.classList.toggle("collapsed");
 

module/enrichers.mjs

@@ -992,7 +992,6 @@ async function rollAction(event) {
     const MessageClass = getDocumentClass("ChatMessage");
     const chatData = {
       user: game.user.id,
-      type: CONST.CHAT_MESSAGE_TYPES.OTHER,
       content: await renderTemplate("systems/dnd5e/templates/chat/request-card.hbs", {
         buttonLabel: createRollLabel({ ...target.dataset, format: "short", icon: true }),
         hiddenLabel: createRollLabel({ ...target.dataset, format: "short", icon: true, hideDC: true }),
@@ -1001,6 +1000,8 @@ async function rollAction(event) {
       flavor: game.i18n.localize("EDITOR.DND5E.Inline.RollRequest"),
       speaker: MessageClass.getSpeaker({user: game.user})
     };
+    // TODO: Remove when v11 support is dropped.
+    if ( game.release.generation < 12 ) chatData.type = CONST.CHAT_MESSAGE_TYPES.OTHER;
     return MessageClass.create(chatData);
   }
 }

module/migration.mjs

@@ -496,7 +496,7 @@ export const migrateCopyActorTransferEffects = function(actor, effects, { actorU
  */
 export const migrateEffectData = function(effect, migrationData, { parent }={}) {
   const updateData = {};
-  _migrateDocumentIcon(effect, updateData, {...migrationData, field: "icon"});
+  _migrateDocumentIcon(effect, updateData, {...migrationData, field: game.release.generation < 12 ? "icon" : "img"});
   _migrateEffectArmorClass(effect, updateData);
   if ( foundry.utils.isNewerVersion("3.1.0", effect._stats?.systemVersion ?? parent?._stats?.systemVersion) ) {
     _migrateTransferEffect(effect, parent, updateData);