Recently we highlighted another upgrade of Proton Experimental, the special testing area of Steam Play Proton that pulls in new and advanced features - well it needs a lot more testing. If you're not clear on what Proton and Steam Play are, be sure to check out our constantly updated dedicated page.
Long-time Valve developer who has been focused on the Linux side, Pierre-Loup Griffais, sent further word on Twitter about the changes that have been made:
Latest Proton Experimental contains input latency improvements, especially for VSynced games, or GPU-bound games running below 60FPS. The changes affect how the frames are timed at a pretty low level, so it'll need lots of testing to make sure there aren't subtle regressions.
Need to know how to actually use Proton Experimental? Here's a simple HOWTO (as it's not complicated!). Make sure it's installed by searching for it in your Steam Library, then select it from the Compatibility menu in the Properties section of a game. See our quick video below:
For an explainer in text form:
- Search for Proton Experimental and install if not already.
- Right click any game on Steam and go to Properties.
- Select the Compatibility menu on the right side.
- Ensure the "Force the use of a specific Steam Play compatibility tool" is ticked.
- From the dropdown box that appears select Proton Experimental.