There is an unnecessary amount of lag when loading multiple resource packs at once, and particularly with the armor trim on a player or armor stand decreases it when paired with multiple resource packs
Comments 3
i feel it could be optimized if it were not loaded alongside the vanilla resources, but replaced them in the memory instead, include an advanced option that reinitializes all resources after applying of resource packs
This sounds more like feedback than a bug. As @unknown said, this is a given that it will take longer when loading more packs.
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More data to load and remember means higher memory usage. That's a given and not a bug.
If you believe this can be optimized, provide a code analysis indicating so.