I logged into my realm and I noticed that all my paintings have gone invisible, I turned off my texture pack thinking it was just a glitch with that, and I went back into my realm and it was still invisible, I just updated to the new version and this is what I see right after updating.
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Thank you for your report!
We're tracking this issue in MCPE-121718, so this ticket is being resolved and linked as a duplicate.
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Duplicate of MCPE-121718