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Wine 11 rewrites how Linux runs Windows games at the kernel level, and the speed gains are massive
(www.xda-developers.com)
this post was submitted on 24 Mar 2026
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From what I found online, Steam enables esync by default, and fsync if your kernel supports it.
Lutris has both options nowadays in the runner settings. Idk if they’re both enabled by default, but in my case they’re enabled. ymmv there.
source
What are the kernel requirements? Is it something any random Debian user is likely to have, or do you need to be compiling it yourself?
From the article:
So since Jan 2022, it’s been in the stable Linux kernel. For Debian and its derivatives, it would be included beginning with Bookworm.
So basically, both esync and fsync are enabled by default for almost everybody.
Assuming that most non-technical users (who wouldn’t research and enable it) are probably using Wine/Proton through Steam: yeah.