In Snapshot 19w40a, I was doing a Hogwarts Map, involving invisible Item Frames and Invisible Sign, and it seems to not render correctly. To Item Frames, a black background appears. To the invisible sign, a white background appears. This is unintended behavior.
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violine1101
Thenk you for your report!
We're actually already tracking this issue in MC-163146, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
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