[MCL-20271] Launcher won't open on Mac

When I try to open the launcher, the updater opens up and then instantly closes. Tried restarting my Mac, re downloading the launcher again, but nothing works. Im on the new M1 Pro MacBook Pro.

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Shelby Kira Marvell 2021-12-08T23:42:27Z

+1 for this, here's what's reported in terminal when I try to run there:

$ /Applications/Minecraft.app/Contents/MacOS/launcher
2021-12-08 15:29:48.529 launcher[16108:140636] Claimed it found a path: /Applications/Minecraft.app/Contents/MacOS/launcher (/Applications/Minecraft.app/Contents/MacOS/launcher) 4096
https://launchermeta.mojang.com/v1/products/launcher/022631aeac4a9addbce8e0503dce662152dc198d/mac-os.json
2021-12-08 15:29:48.857 nativeUpdater[16109:140679] Found executable path: /Applications/Minecraft.app/Contents/MacOS/launcher
2021-12-08 15:29:48.867 nativeUpdater[16109:140679] Found executable path: /Applications/Minecraft.app/Contents/MacOS/launcher
https://launchermeta.mojang.com/v1/products/launcher/022631aeac4a9addbce8e0503dce662152dc198d/mac-os.json
Assertion failed: ([NSThread isMainThread]), function _NSAsynchronousPreparationAssertMainThread, file NSAsynchronousPreparation.m, line 16.

And from Console, the crash report: https://pastebin.com/xvU1n2hq

I'm able to provide anything else, too.

Barnos 2022-02-23T11:04:55Z

Hi there!
Could you check if the process of the Launcher is not preset in Task Manager? If it appears, force quit.
Let us know if that helps!

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