Is there any kind of workaround for this, or is shaders just incompatible with any mod using geckolib? Most mobs using this, tend to just become frozen when using shaders.

This is an issue with Iris/Optifine on how they are messing with the game time which is required for the ticks we use for transitions.

I am not aware of how Iris messes with the game time at all? Could you please provide more detail?

The only thing that I can think of that would be related would be the fact that Iris has to render things like entities twice if the shader pack has shadows... but if GeckoLib breaks with that, the issue would have to be fixed in GeckoLib.

That feeling when you find a related issue and it's closed, but not fixed... sadly shaderpacks are more important than new creatures, and Naturalist is the only reason my modpack has GeckoLib.

That feeling when you find a related issue and it's closed, but not fixed... sadly shaderpacks are more important than new creatures, and Naturalist is the only reason my modpack has GeckoLib.

it's fixed on 1.19.4 geckolib. It's not a shader issue.

That feeling when you find a related issue and it's closed, but not fixed... sadly shaderpacks are more important than new creatures, and Naturalist is the only reason my modpack has GeckoLib.

What?

Well, I'm on 1.19.2 and it works when I disable shaders in Iris, and breaks again when enabled again.
Can't really move to .4, I hope there will be an update for the .2 version eventually

Well, I'm on 1.19.2 and it works when I disable shaders in Iris, and breaks again when enabled again. Can't really move to .4, I hope there will be an update for the .2 version eventually

most mods don't backport, especially api's, it's probably only fixed to .4 onwards