this post was submitted on 11 Jul 2025
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Linux Gaming

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  • Added ntsync support:

Enable with PROTON_USE_NTSYNC=1

NOTES:

  1. Your kernel must be patched with ntsync patches. If your system does not have /dev/ntsync then your kernel does not have the patches required to use ntsync.

  2. Some applications, mostly 32 bit, may also need PROTON_USE_WOW64=1 when using ntsync

  • Added FSR4 upgrade support via PROTON_FSR4_UPGRADE=1 (auto upgrades from amd directly https://download.amd.com/dir/bin/amdxcffx64.dll)

  • Added fixes from upstream for flicker/rendering issue when using wine-wayland

  • Refactored a lot of the patches section and cleaned up outdated or merged patches

  • Update wine-wayland patches

  • Updated wine to latest bleeding edge

  • Updated dxvk to latest git

  • Updated vkd3d-proton to latest git

  • Imported all upstream proton changes

  • protonfixes: added a fix for winetricks wget gnutls failing inside fex

  • protonfixes: add fix for sifu freeze (thanks UsernamesAreNotMyThing)

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[–] Malix@sopuli.xyz 13 points 5 days ago* (last edited 5 days ago) (7 children)

ooh, nice. finally some ntsync support starts showing up. I'm not expecting miracles, but in general it still should (?) be better than existing e/f-sync thingies in general?

edit: probably depending on the application/game, but still. Nice to see things moving forwards.

[–] bargu@lemmy.world 8 points 5 days ago (6 children)

I did a very quick and dirty test here and it appears to be still slower than fsync by about 10 ~ 12%, I'll test it better later.

[–] Malix@sopuli.xyz 2 points 4 days ago (4 children)

hmhm, seems like some games don't even start with NTSYNC on. I had heard that Cyberpunk specifically gets pretty nice performance boost, but I can't even get it to start. Oh well.

[–] bargu@lemmy.world 2 points 1 day ago (1 children)

This took a while https://www.youtube.com/watch?v=hjvw7UDh9YY, no performance boost on cyberpunk for me.

[–] Malix@sopuli.xyz 1 points 1 day ago* (last edited 1 day ago)

heh, I was just watching it, saw your post about it. Thanks for making this!

The differences seem pretty minimal, although occasionally the frametime graph looks a bit less bumpy on ntsync side, but that's about it. Even if the avg, 1% and so framerates are tad lower.

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