I think know how many data received are same important as how many data saved.
I can understand designer remove it from O menu to make it simple, but why not keep it in detail page?
Do more on the web, with a fast and secure browser!
Download Opera browser with:
DNA-49372, Freeze on Windows 10, and it should fixed in this version.
Same problem, but it disappear after disable hardware accelerator.
See this post to change your default location of opera.
I'm sorry for this article only have Chinese version , you can try use Google Translate to read it.
Same problem on my work PC , but no problem on my own laptop.
With same version of Opera , same version of Windows 10 , All software up to date.
No plugin installed , no extension installed, even try after delete profile , but no help.
It seem like main thread freeze , it's a dead loop.
freeze > force close > restart > open last session tabs > freze > force close > repeat > tabs LOST.
Chrome no such problem(tested 46-48).
Try to disable hardware acceleration.