It works with any Matrix homeserver

Are there any Matrix clients that don’t work with any Matrix homeserver?..

why would I want it slowing down

It doesn’t. It did when I was using a 10 year old non-gaming laptop, yeah. On my main PC it’s not noticeable at all.

Agreed

Good. I use and love Kagi, but they are spread way too thin

oh no, how awful of them to release the code back into the wild for free with a copyleft license. truly an awful thing to do.

Unfortunately I’m neither good with C++ nor with graphics, but Inkscape is a great piece of software, all the best to them