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Opened 7 years ago

Last modified 11 months ago

#30000 closed enhancement

Making text bold then typing crashes Chrome — at Initial Version

Reported by: mikenolan Owned by:
Milestone: 4.1 Priority: normal
Severity: normal Version:
Component: WordPress.org Site Keywords: has-alot
Focuses: Cc:


Getting a pretty obscure bug with TinyMCE in certain situations. Turning on bold text either with the toolbar button or Ctrl-B then starting to type, Chrome 38 will crash with the first keystroke.

It's possibly a Chrome issue - it's only come to light with Chrome 38 released last week and isn't (currently) happening with Chrome Canary 40, however it's only happening in WordPress, not with straight TinyMCE and most notably, only when using the Twenty Twelve theme (or children of it).

Here's the bug in action:


I'm almost certain it has something to do with the U+FEFF (ZERO WIDTH NO-BREAK SPACE / BYTE ORDER MARK) character that gets inserted when bold text is turned on as they cause crashes in the frontend of WordPress sites as well.

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