The Trial Spawner block's texture gets culled incorrectly when a solid block opposes either the south or north face.
Graphics settings are set to fancy but this happens regardless of what it is set to.
[media]We can see the texture for the bottom face not showing when a block is touching, which appears to be the expected behavior, however, the block touching the north side is culling the face on the south side.
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We're tracking this issue in MC-266463, so this ticket is being resolved and linked as a duplicate.
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Duplicate of MC-266463.