Reply tool "Show 1 new comment" (or "Show N new comments") button causes the tool to disappear, doesn't show new comments.
Exception is thrown, e.g.:
Uncaught Error: No infusion data found: ooui-php-193
at OO.ui.Element.static.unsafeInfuse
at OO.ui.Element.static.infuse
at OO.ui.infuse
at ReplyLinksController.js.ReplyLinksController.clearActiveLink
at ReplyLinksController.js.ReplyLinksController.teardown
at Object.init
at reallyInit
at mw.dt.init
at Object.add
at updatePageContentsIt's unclear to me whether this is related to T329299. The symptoms seem different. @Esanders noticed this one.
Caused by the work on T317035 (06919f94449d01d87725947aa04f2017e6dc0ac0).