Vivaldi crashes after switching to fullscreen when watching youtube videos
Vivaldi 1.0.303.22 (Developer Build) dev (64-bit) Open any youtube video. Make it fullscreen. Enjoy the crash Chrome_IOThread: segfault at 0 ip 0000563f7189b9b7 sp 00007ff0a6b35898 error 4 in vivaldi-bin[563f6ea32000+5f03000] stably reproduced
It's known and being worked on.