https://precondition.github.io/home-row-mods

Have you tried: https://github.com/languagetool-org/languagetool

I’m very happy with it!

This, I very striktly press always the opposite shift. One hand types the desired symbol, the other modifies it.

Luckily most gui toolkits have a way of disabling CSD. For gtk/libadwaita I recommend something like Gradience to generate a theme with corners of your liking.

What’s the difference between opaque and transparent+blur?