Proton 5.0-5

• Fix crash in some games introduced in Proton 5.0-4.
• Fix networking error in Granblue Fantasy: Versus.
• Support for latest OpenVR SDKs.
• Add support for new Vulkan extensions used by some recent titles.

Proton 5.0-4

• EA's Origin launcher is now functional and Jedi Fallen Order is playable.
• Fix crash on launch in Grand Theft Auto V Online.
• Fix Denuvo DRM failures in Just Cause 3 and Batman Arkham Knight.
• Update DXVK to v1.5.5.
• Improve performance when emulating display resolution changes.
• Improve performance in Monster Hunter World.
• Fix mouse cursor issue on focus loss in Ryse: Son of Rome.
• Improve game launch times.

Proton 4.11-13

• Fix missing low color depth modes on certain hardware.

Proton 5.0-3

• Support for Direct3D 12 mode in Metro Exodus.
• Fix crash on launch in The Walking Dead: Saints and Sinners and eFootball PES 2020.
• Fix Automobilista unable to load some assets.
• Fix high polling rate mouse regression.

Proton 5.0-2

• Fix frequent crash introduced in Proton 5.0-1 related to video and audio playback.
• Fix Planet Coaster crash on launch.
• Fix Subnautica graphical issue.

Proton 5.0-1

• Update Wine to version 5.0. Since the last major release of Proton, Wine has seen over 3500 changes, which are now integrated into Proton. 207 patches from Proton 4.11 were either upstreamed or are no longer needed.
• Direct3D 9 games will now use DXVK for rendering by default. Users without Vulkan support can return to the OpenGL-based wined3d renderer with the PROTON_USE_WINED3D configuration option.
• Improved Steam client integration. This makes more games that use Denuvo playable, including Just Cause 3, Batman: Arkham Knight, Abzu, and more.
• New Proton environments will report a newer OS version, which some newer games require. Existing environments will not be changed automatically.
• Wine 5.0 includes the beginnings of real multi-monitor support. Expect major improvements in this area soon.
• Improved surround sound support for older games.
• Update DXVK to v1.5.4.
• Update FAudio to 20.02.
• Note for users who build Proton: this branch has new submodules, please be sure to git submodule update --init.

Proton 4.11-12

• Update DXVK to v1.5.1.
• Fix Xbox controller buttons in Elex.
• Improve mouse cursor behavior in IL-2 Sturmovik.
• Support newer OpenVR SDKs. Audioshield and Dance Collider are now playable.
• Update steamworks SDK support.

Proton 4.11-11

• Fix stuttering mouse cursor issue during longer play sessions.
• Update DXVK to v1.5, which now includes D9VK.
• GTA5's latest update is now playable.
• Restore support for mapped mouse cursor buttons.

Proton 4.11-10

• Halo: The Master Chief Collection is now playable! Users on older distributions (with gnutls earlier than 3.5.4) will require the Steam Beta client for now. Some game modes are disabled due to missing EasyAntiCheat support.
• Major improvements to mouse handling. In our testing, this improved Fallout 4, Furi, and Metal Gear Solid V mouse behavior.
• Added new integer scaling mode, to give sharp pixels when upscaling. This can be enabled with this environment variable: WINE_FULLSCREEN_INTEGER_SCALING=1.
• Fix a couple of controller mapping issues. This is known to improve Telltale games with Xbox controllers and Cuphead and ICEY when using PlayStation 4 controllers over Bluetooth.
• Improve gamepad force feedback handling, especially for steering wheel controllers.
• Fix Metal Gear Solid V hang on launch.
• Fix Xbox controller performance regression.
• Trine 4 framerate should no longer be locked to 30 FPS.
• Fix frequent crash in IL-2 Sturmovik.
• D9VK updated to 0.40-rc-p
• FAudio updated to 19.12.
• Miscellaneous DXVK bugfixes.

Proton 4.11-9

• Fix performance regression in 4.11-8 that affected 32-bit games using DXVK and D9VK.
• Fix reporting too little GPU memory for certain GPUs.
• Restore steering wheel controller force feedback.
• Fix crash launching Crazy Machines 3 with certain GPUs.