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Bug
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Resolution: Unresolved
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None
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2.12.2 (Mac), 3.7.2 (Win 10/11)
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None
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None
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M1 Mac, Pre-1.6 Minecraft
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Confirmed
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1128334
Workaround
Deleting the options.txt file from the minecraft directory before relaunching the game should allow older versions to start.
I suspect that the versions of Java that the launcher uses to run the older versions are the culprit.
The issues in the official launcher range from opening a completely black window, opening with the wrong window size (which crashes on attempt to resize), opening but with partially inverted colors, or just not opening at all.
With such a huge community that continues to play on older versions of the game, this is a problematic issue to come across in the official launcher.