QRPostSuccessful threadID and postID are now integers.

threadID will always give the threadID, not 0 when creating a new thread.
Send the board object with it too.

4chan_x.user.js

@@ -4978,7 +4978,7 @@
       }
     },
     post: function(e) {
-      return Unread.yourPosts.push(+e.detail.postID);
+      return Unread.yourPosts.push(e.detail.postID);
     },
     read: function(e) {
       var bottom, height, i, post, _i, _len, _ref;
@@ -5203,7 +5203,7 @@
         return ThreadUpdater.cb.autoUpdate();
       },
       post: function(e) {
-        if (!(Conf['Auto Update This'] && +e.detail.threadID === ThreadUpdater.thread.ID)) {
+        if (!(Conf['Auto Update This'] && e.detail.threadID === ThreadUpdater.thread.ID)) {
           return;
         }
         ThreadUpdater.outdateCount = 0;
@@ -5513,14 +5513,14 @@
         return ThreadWatcher.unwatch(thread[1], thread[3]);
       },
       post: function(e) {
-        var postID, threadID, _ref;
+        var board, postID, threadID, _ref;
-        _ref = e.detail, postID = _ref.postID, threadID = _ref.threadID;
+        _ref = e.detail, board = _ref.board, postID = _ref.postID, threadID = _ref.threadID;
-        if (threadID === '0') {
+        if (postID === threadID) {
           if (Conf['Auto Watch']) {
-            return $.set('AutoWatch', +postID);
+            return $.set('AutoWatch', threadID);
           }
         } else if (Conf['Auto Watch Reply']) {
-          return ThreadWatcher.watch(g.BOARD.threads[threadID]);
+          return ThreadWatcher.watch(board.threads[threadID]);
         }
       }
     },
@@ -6473,16 +6473,19 @@
       };
       $.set('QR.persona', persona);
       _ref1 = h1.nextSibling.textContent.match(/thread:(\d+),no:(\d+)/), _ = _ref1[0], threadID = _ref1[1], postID = _ref1[2];
+      threadID = +threadID;
+      postID = +postID;
       $.event('QRPostSuccessful', {
-        threadID: threadID,
+        board: g.BOARD,
+        threadID: threadID || postID,
         postID: postID
       }, QR.el);
       QR.cooldown.set({
         post: reply,
-        isReply: threadID !== '0'
+        isReply: !!threadID
       });
       QR.cooldown.auto = QR.replies.length > 1;
-      if (threadID === '0') {
+      if (!threadID) {
         $.open("//boards.4chan.org/" + g.BOARD + "/res/" + postID);
       } else if (g.VIEW === 'reply' && !QR.cooldown.auto) {
         $.open("//boards.4chan.org/" + g.BOARD + "/res/" + threadID + "#p" + postID);

src/features.coffee

@@ -3312,7 +3312,7 @@ Unread =
       Unread.addPosts e.detail.newPosts
 
   post: (e) ->
-    Unread.yourPosts.push +e.detail.postID
+    Unread.yourPosts.push e.detail.postID
 
   read: (e) ->
     return if d.hidden or !Unread.posts.length
@@ -3511,7 +3511,7 @@ ThreadUpdater =
         ThreadUpdater.set 'status', 'Offline', 'warning'
       ThreadUpdater.cb.autoUpdate()
     post: (e) ->
-      return unless Conf['Auto Update This'] and +e.detail.threadID is ThreadUpdater.thread.ID
+      return unless Conf['Auto Update This'] and e.detail.threadID is ThreadUpdater.thread.ID
       ThreadUpdater.outdateCount = 0
       setTimeout ThreadUpdater.update, 1000 if ThreadUpdater.seconds > 2
     visibility: ->
@@ -3770,12 +3770,12 @@ ThreadWatcher =
       thread = @nextElementSibling.pathname.split '/'
       ThreadWatcher.unwatch thread[1], thread[3]
     post: (e) ->
-      {postID, threadID} = e.detail
+      {board, postID, threadID} = e.detail
-      if threadID is '0'
+      if postID is threadID
         if Conf['Auto Watch']
-          $.set 'AutoWatch', +postID
+          $.set 'AutoWatch', threadID
       else if Conf['Auto Watch Reply']
-        ThreadWatcher.watch g.BOARD.threads[threadID]
+        ThreadWatcher.watch board.threads[threadID]
 
   toggle: (thread) ->
     if $('.favicon', thread.OP.nodes.post).src is Favicon.empty

src/qr.coffee

@@ -786,21 +786,24 @@ QR =
     $.set 'QR.persona', persona
 
     [_, threadID, postID] = h1.nextSibling.textContent.match /thread:(\d+),no:(\d+)/
+    threadID = +threadID
+    postID   = +postID
 
     # Post/upload confirmed as successful.
     $.event 'QRPostSuccessful', {
-      threadID
+      board: g.BOARD
+      threadID: threadID or postID
       postID
     }, QR.el
 
     QR.cooldown.set
       post:    reply
-      isReply: threadID isnt '0'
+      isReply: !!threadID
 
     # Enable auto-posting if we have stuff to post, disable it otherwise.
     QR.cooldown.auto = QR.replies.length > 1
 
-    if threadID is '0' # new thread
+    unless threadID # new thread
       $.open "//boards.4chan.org/#{g.BOARD}/res/#{postID}"
     else if g.VIEW is 'reply' and !QR.cooldown.auto # posting from the index
       $.open "//boards.4chan.org/#{g.BOARD}/res/#{threadID}#p#{postID}"