On the site https://vk.com in the Russian-speaking group Opera
Many people write about the problem of black and sometimes white screen on Windows 10 after the Opera update to version 44.0.2510.857 (PGO). Helps to disable hardware acceleration. Developers already know about this problem or need to send a bug report?

https://vk.com/wall-23292255_26439?reply=27285

https://vk.com/wall-23292255_26439?reply=27287

https://vk.com/wall-23292255_26349?reply=27225

https://vk.com/wall-23292255_26439?reply=27273

https://vk.com/wall-23292255_26439?reply=27185