Squaduck
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I can reproduce this on my machine running OpenSUSE Tumbleweed 20260422 with additional drivers from PackMan (links2linux)
Testing Minecraft 26.2-snapshot-4, No modifications made to the game or to the Java runtime. No environment variables or debug arguments.
Java args: -Duser.language=en -Xms2048m -Xmx8192m
CPU: AMD Ryzen 7600X
GPU: Intel Arc B580
Kernel version: 6.19.12-1-default
Graphics driver version: Mesa 26.0.4 (git-d9e5e36b19)
Graphics card firmware: BMG__21.1177
1280x720 windowed, Fabulous! graphics preset, normal world generation, flying in creative mode to get a good view, gamerule advance_time false
On OpenGL: 280-300 FPS
On Vulkan: 11-12 FPS
On OpenGL via Zink (OpenGL on Vulkan): 175-185 FPS
I hope this comment doesn’t add too much extra noise, I just wanted to put slightly more solid numbers on just how bad the performance is on Intel Arc. When I force it to use the AMD iGPU, Vulkan is faster, so clearly it’s not that Mojang’s implementation of Vulkan is inherently bad, it just doesn’t play well with Intel.
This also seems to be resolved on my Linux system (Arc B580)
26.3-snapshot-5 - GL: 189 FPS VK: 8 FPS
26.3-snapshot-6 - GL: 171 FPS VK: 366 FPS
snapshot 7 also performs well
1280x720 windowed
KDE Plasma 6.7.3 Wayland
Mesa 26.1.5
Kernel 7.1.6
Fabulous! graphics
Seed: 6750758097881108683 (kind of insane seed, shipwreck, surface exposed sulfur biome, lush cave, surface exposed mineshaft all near spawn.)
/tp @s 124.3 104.5 140.5 -143.2 33.6