"Hands On It's been a long time coming but version 1.0 of the first ground-up Rust-based desktop is here... and it is shaping up very well. Late last week, System76 officially released the long term support version of its in-house Ubuntu remix along with "Epoch 1" of its in-house desktop environment COSMIC, implemented from scratch in Rust. After testing out the beta version in VMs and on an old clunker, we tried it on a more modern testbed, and we are grudgingly impressed."
"We have been testing it out on the highest-end of our old Thinkpads, a W520. It works and makes this nearly 15-year-old PC feel remarkably fast, but we experienced regular freezes, for instance when opening a bunch of Firefox tabs. Up to a point, that is fair enough: the machine has long-supported Nvidia Quadro 1000 second GPU, which was last supported by NVIDIA's Linux drivers three whole major versions ago. We're rather surprised it worked at all, let alone worked well."
System76 released long-term-support Pop!_OS 24.04 alongside COSMIC "Epoch 1", a desktop environment written from scratch in Rust. COSMIC aims to be a modern, ground-up desktop and shows responsive performance on older hardware while exposing occasional freezes under heavy load. Testing on a 15-year-old ThinkPad W520 produced speed improvements but triggered freezes when opening many Firefox tabs, likely due to an outdated Nvidia Quadro 1000 GPU driver. Installation on a Dell XPS 13 9370 encountered EFI System Partition limits because Pop!_OS uses systemd-boot; attempts to resize the ESP with GParted failed, blocking installation.
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