Lately, Many people have been having an issue where they are unable to enjoy their worlds that have addons due to the presence of a large "Customize Controls" screen that will appear, causing them to not be able to see their screen. However, I have discovered a temporary fix while browsing on the Minecraft Bug Documentation page.
Select version for changelog:
Changelog
Credit has been given to Kaoeutsu for the creation of the original pack.
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