Fence gates will have a correctly mapped texture in the opposite direction the f3 screen says they are, and a mirrored texture in the direction it says they are facing. As opening and closing a gate changes its block state to face the other way, doing so can change the texture mapping of a gate from correct to mirrored.
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We're resolving and linking this ticket forward as a duplicate of MC-262935, as that ticket contains more detailed information and/or has already been triaged by Mojang.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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Does this still an issue in 1.19.3?