GHM113 wrote:I reproduced this bug a couple of times without Stay Open Menu installed so this is not a bug in the addon but a bug in Firefox.itisomegakai wrote: Just set process to 8 or more and e10s on, quickly open a few bookmarks from first folder and very quickly from another using middleclick or ctrl+click.
Tabs are replaced .
E: found a related bug, maybe it helps
[e10s-multi] Firefox 55 breaks tabs & session with high number of processes and causes critical data-loss
https://bugzilla.mozilla.org/show_bug.cgi?id=1352706
well can you help with str? so can be sure.
which version did you reproduce it in?
It's was happening with SOM in last weeks build.
can you comment on the mozilla bug too.