Niccckk Only users on Mac cannot join the itemsadder server… they get a "Resource reload failed!" message when they join. People on the same server on windows can join just fine.
Niccckk Niccckk FOUND THE BUG! A shader core I was using was on version 440, and I changed it to 150.
LoneDev Best way to find the issue is reading client logs. https://itemsadder.devs.beer/faq/identify-why-textures-are-not-shown Sadly MacOS is known to have multiple issues with Minecraft because of some GPU driver bugs and because of how Minecraft itself is implemented.
