Multiprocess windows suddenly disabled on Developer edition, enabled on regular edition.
Have refreshed and disabled all add ons. Still doesn't work if I set "browser.tabs.remote.autostart" to true. Version 54.0b14 (64-bit) on OS X 10.11. I only found out about it as all of a sudden the responsive design mode changed to a really cut-down version.
Additional System Details
- User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36
hi, does it give a reason why multiprocess mode is disabled in about:support? you could also turn e10s on yourself with browser.tabs.remote.autostart.2...
It said something about add-ons which was why I disabled them. However, this is embarrassing – it's all started working fine again…