Brave hangs up daily and takes multiple attempts to restart

Brave is hanging up about once a day. All windows become unresponsive - no context menu on right mouse button, no refresh button response. Once this happens, the only recourse is to kill the brave processes (I use xkill) and then restart the browser.

When I restart Brave, it hangs on restart almost every time, and has to be killed again, and this can repeat 3 or 4 times before a successful restart.
It often hangs with a partially drawn single window - no controls or “restore tabs” button.

It also often hangs with only the “restore tabs” button visible, but clicking it does nothing.

Sometimes the restore tabs button is clickable, and the windows appear but are responsive…a few times I see a message about not having an active internet connection, but I do - it’s only Brave saying that.

Sometimes it draws the windows and tabs but they take 5 or more minutes to render, and are often unresponsive and sometimes show the no active internet connection dialog.

This happens about once a day, and always takes 3 or 4 restart attempts.
When Brave has hung, there is sometimes some heavy CPU use, according to “top”, but the rest of the system is responsive.

I have over 130 tabs open, in 15 windows in 4 KDE Desktops. I’m available for any debugging and diagnostic work - I’m a Linux Sys Admin and developer. Thanks for any help and advice.

---------------------System Info-------------------------------
Operating System: KDE neon 5.27
KDE Plasma Version: 5.27.6
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10
Kernel Version: 5.19.0-45-generic (64-bit)
Graphics Platform: X11
Processors: 24 × AMD Ryzen 9 3900X 12-Core Processor
Memory: 47.0 GiB of RAM
Graphics Processor: AMD Radeon RX 6600
Manufacturer: ASUS

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