Playing was almost as thrilling as seeing it work.

This is GOLD!

You can use Cosmic DE on any device that can run Linux. You do NOT need to purchase System76 laptops for that.

Stick to Production version of Nvidia Linux driver - v550, v570. I’m using v570 on Ubuntu 25.04, no issue in either day to day work or in gaming.

This page might help: https://european-alternatives.eu/

Did you compile the kernel by yourself, or used Mainline to install?

Operated by MZLA Technologies Corporation, a subsidiary of the Mozilla Foundation, Thunderbird is an independent, community-driven project that is managed and overseen by the Thunderbird Council, which is elected by the Thunderbird community.

Source: https://en.m.wikipedia.org/wiki/Mozilla_Thunderbird

Yes, Gnome extensions shall be impacted once again for sure. But, at least that is not a deal breaker for me.

I guess it takes time to built a DE from scratch.