When older worlds are opened in Minecraft 1.13 some doors are rotatetd and the top half is missing. The bug occurs from 1.8 onwars. Version 1.7.10 or earlier is not affected.
2018-07-22_17.05.05.png shows doors in 1.7.10
2018-07-22_17.03.28.png the same doors in 1.8 or newer
Thank you for your report!
However, this issue has been temporarily closed as Awaiting Response.
Do you have a backup of the world from an earlier version? If so, please attach (or provide a download link of) the world here so we can reproduce the issue.
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