Project Zomboid, a survival game from The Indie Stone that's currently in Early Access just had a big new stable release, and it should now work better on the Steam Deck and with controllers overall.
Old World is a new Native Linux historical strategy game from Soren Johnson, Lead Designer of Civilization IV and Offworld Trading Company and Mohawk Games.
Broken Sword 5 - the Serpent's Curse from Revolution Software just had a big update to improve how it handles on modern systems and screen resolutions. It also works great on the Steam Deck.
Having you been holding out for the Native Linux port of Psychonauts 2? Well, the developer has announced after a long wait that it's just about to finally land.
Godot Engine 3.5 is getting close to release with a first Release Candidate available for developers to test the next version of this open source game engine.
Do you love pixel art and survival horror? Have a look at Lamentum from Obscure Tales and Neon Doctrine, as they have just released an official Native Linux build.
After not hearing much from Cradle Games and tinyBuild on Hellpoint, they've now announced the first major expansion Hellpoint: Blue Sun releases on July 12th. This is along with console next-gen stuff.
Although the release date for Lovecraft's Untold Stories 2 was only announced (along with Native Linux support) recently, it seems they're going to give it a bit more time to cook.
Originally Amazon Lumberyard that was donated to open source, the Open 3D Foundation just announced a big new release and they have an annual conference coming up.
Please Fix The Road is an upcoming puzzle game I highlighted back in March because it looks simply beautiful and perhaps a bit of a challenge. The developer announced recently a rather unusual plan in the indie dev space, involving pirates.
The Garden Path is an upcoming casual chilled-out life sim that looks gorgeous. Now you can get access to it with the early bird limited access system on itch.io.
The Jackbox Party Starter has been announced to launch this "Summer", which will be the perfect entry to get the party started with more languages supported.
Retro Commander from developer Noble Master is a free to play RTS that just landed on Steam in Early Access, and so far it seems to be pretty great and fills me up with nostalgia.