(In reply to Michel Dänzer from comment #10)
> (In reply to Paul from comment #9)
> > it's less obvious, but there still appears to be screen tearing
> 
> How does that manifest, and when you do what?

Use the system and run OpenGL applications, is there an option to enable
triple-buffering or is it enabled by default?

> FWIW, since DRI3 is enabled, "Re-use screen content" is the most efficient
> setting.

I did have this enabled for a while, but plasma got super erratic after I had
launched a game, I'll give it another shot and see if it does it again.

I'm also going to try with 'allow applications to disable composition'
unchecked in case something was disabling the compositor...