Thomas Crider has announced the release of Proton-6.19-GE-1 based on Wine 6.19.

Proton-6.19-GE-1

Changes:

-Added protonfix for Syberia black screen (runs in a window, you will want to use gamescope to upscale)
-Added protonfix for Japanese version of Tree of Savior (we already had one for the English version, thanks Alistair Leslie-Hughes!)
-Added patches that allow EA Desktop beta client to work (Thanks Esdras Tarsis!)
-Removed deprecated mouse focus patches (no longer used in upstream proton) -- fixes mouse focus issues in some various games.
-Added uuid-dev package to build environment to fix antlr build dependency (thanks Optimus22Prime!)
-Imported proton experimental build environment updates
-Imported proton DLSS patches/updates
-Updated dxvk-nvapi to proton experimental version (for DLSS)
-Updated wine and wine-staging to 6.19
-Updated vkd3d-proton to latest git
-Updated dxvk to latest git
-Updated FAudio to latest gitd

Download Proton 6.19-GE-1 from GitHub
Installation Instructions