Also experiencing it (on version 1.21.2) when enabling beta-apis. Required a hard re-install of Minecraft after disabling enhanced input to eliminate this issue on vanilla worlds that had the Beta APIs checkbox enabled.
pcgamer00
Also experiencing it (on version 1.21.2) when enabling beta-apis. Required a hard re-install of Minecraft after disabling enhanced input to eliminate this issue on vanilla worlds that had the Beta APIs checkbox enabled.