Proton 4.2-7

• Fix for performance and sound regression that affected some games, like Wolfenstein: The New Order.

Proton 4.2-6

• More fixes for the new Steam networking API. A Hat In Time's online multiplayer should be functional now.
• DXVK 1.2.1 has been rebuilt with a modern compiler. This should increase performance especially for 32-bit games. (Note, if you build Proton yourself in Vagrant, you will want to make clean and vagrant provision to take advantage of the new compiler; or simply destroy and re-create the VM.)
• Update FAudio to 19.06.
• Fix for more games on non-English locales, like GRID.
• Fix controller rumble in some games, including Team Sonic Racing.
• Improve font rendering in SpellForce 3.

Proton 4.2-5

• Update DXVK to 1.2.1.
• Support for new Steam networking APIs. Should fix some newer titles, including A Hat in Time.
• Many controller layout fixes. Should fix controller layout in many Unity-based titles, including Subnautica, and some Ubisoft titles.

Proton 4.2-4

• Fix crash on launch for RAGE 2. (requires Mesa development builds on AMD)
• Update DXVK to v1.1.1.
• Improve Vulkan support for the new No Man's Sky Vulkan build.
• Better icons in some window managers.
• Fix occasional stuck Wine process when upgrading Proton version.
• Fix controller detection for Yakuza Kiwami and Telltale games.
• Fix terrain generation in Space Engineers.
• Fix for Flower failing to launch.

Proton 4.2-3

• Proton now includes wine-mono. Enables many XNA games, Unreal Engine 3 games, game launchers, and more.
• The launcher and updater for Warframe is now functional.
• Fix text input in Age of Empires II HD.
• NARUTO SHIPPUDEN: Ultimate Ninja STORM 4 is now playable.
• Evochron Mercenary is now playable.
• Continue maintaining Uplay functionality.
• Update DXVK to 1.0.3.
• Update FAudio to 19.04-13-ge8c0855.

Proton 3.16-9

• Update DXVK to 1.0.2.
• Fixed some games failing or crashing in certain locales like Turkish.
• Fix minor xaudio2 and winhttp bugs.

Proton 4.2-2

• Corrected command line parameters for some games, including Wadjet Eye games like Blackwell Epiphany.
• Fixed some games failing or crashing in certain locales like Turkish.
• Updated FAudio to 19.03-25-g8105923.
• Fixed a crash when alt-tabbing out of Deus Ex.
• Restored previous .NET installer functionality.

Proton 4.2-1

• Rebased Proton patches on top of Wine 4.2. There are more than 2,400 improvements to Wine between those versions. 166 patches from Proton 3.16 have been upstreamed or are no longer needed.
• Update DXVK to 1.0.1.
• Update FAudio to 19.03-13-gd07f69f.
• Mouse cursor behavior improvements for games including Resident Evil 2 and Devil May Cry 5.
• Fixes for networking in NBA 2K19 and NBA 2K18.
• Fixed controller duplication in RiME and other games that use SDL2.
• Improvements to CJK locales and font support.
• Wine's Vulkan now supports version 1.1.104 and advertises support for version 1.1 to applications.
• Proton's fullscreen hack now works for GDI-based games.
• Better support for games that use IVRInput for controller input in VR.
• Further improvements and new features in the "easy path" build system. Run "make help" in the Proton directory for documentation.