Valve has released Proton 11, marking the first major update to their Steam Play compatibility layer since Proton 10.0-3 shipped in November 2025. This new version arrived in early July 2026, over half a year after its predecessor. The update was noted as having been released a few weeks ago. While specific technical details on new features and improvements in Proton 11 are not yet widely detailed, the significant time gap between releases suggests a substantial accumulation of upstream Wine and VKD3D-Proton updates, along with Valve's own patches for Windows game compatibility on Linux. Users can expect general performance enhancements, bug fixes, and increased support for modern Windows titles.