There are numerous reports that people are unable to load watch list pages and some history pages.
Example is: https://en.wikipedia.org/w/index.php?title=Jurassic_World&offset=20150824235544&action=history
And more reports: https://en.wikipedia.org/w/index.php?title=Wikipedia:Village_pump_(technical)&oldid=678333919#View_history_not_working.3F
This is a bug with multiple auto summaries (in the above example the contribution by Bullahg) icw. the CSS line autocomment{unicode-bidi:-webkit-isolate}
<style> .autocomment{unicode-bidi:-webkit-isolate} </style> <span dir="auto"> <span class="autocomment">Plot: </span> <span dir="auto"> <span class="autocomment">Reception</span> </span> </span>
Upstream bugs reported:
https://code.google.com/p/chromium/issues/detail?id=526136
https://bugs.webkit.org/show_bug.cgi?id=148573
The cause is change: https://gerrit.wikimedia.org/r/#/c/232250/