Greasy Fork is available in English.
URComments-Enhanced (URC-E) allows Waze editors to handle WME update requests more quickly and efficiently. Also adds many UR filtering options, ability to change the markers, plus much, much, more!
Works for me... May try the latest update. If that doesn't fix it. Try with ALL OTHER SCRIPTS AND EXTENSIONS DISABLED.
After applying the most recent update after you make a comment it used it mark in the comments count column the number count. Now the only way to get the comment count to change is to rescan the UR's