I'm also having thjs problem, crashes every 15 mins or so. I've had to change browser.

I tried creating a new profile within Vivaldi and it still crashed so I'm at a loss.

Please check recent crash reports or let me know how I can help.

My system details:

Version: 8.3.4191.30 (Official Build) (arm64)
Chromium Version: 156.0.8078.91
Channel: Official Build
Platform / OS: macOS Version 15.7.9 (Build 24G830)