Could be quite a few different things.

Could be the kernel itself, gnupg, openSSH or even bash.

But we won't know for sure, until it's publically disclosed.

Sure, if you call that average. ;)

I hardly change anything in Plasma. In my experience Plasma 6 is about as stable as Plasma 5.27 is/was. I rarely see a crash, freeze or inconsistancy I didn't cause myself.

Have a look at Nextcloud WebDav:

https://docs.nextcloud.com/server/20/user_manual/en/files/access_webdav.html#accessing-files-using-linux

A lot of people use them for log files when troubleshooting within a support channel of some sort.

Nah, it's just a live session ISO with a bunch of media creation tools.

This is also what I use. It ticks all of OPs boxes, but it might be overkill if you just want notes.

Maybe some foam under the case could elliminate some of those vibrations. Like pieces of a yoga mat or similar mats.

Or the return of The Cube.

When I was a freelance contractor I used InvoiceNinja. It was pretty good and also has some apps for mobile. And it's on DockerHub too.

That just means that the article it self was already pretty straight and to the point. If the TL;DR bot can't condense it it's already without "fluff".

I would have loved an actual description of the video, so I don't have to click on it without knowing what it is...