when piston/sticky piston moves (mostly) any block, the block becomes laggy and very laggy, disappear for a moment.
or even any kind of block-texture bug.
that bug (that everyone knows it) has been since 0.15 beta 2 update, and then it has been mostly fixed in 0.16 , and it became back in 1.0 beta 2
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Comments 2
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-15268.
Your additional information and observations are very useful, so if you can add them to the comments section of the parent issue it would be appreciated.
If you have not, you might like to make use of the search feature before making a new ticket, as it's likely that the issue has been reported already.
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I've been waiting for very long time to it being fixed, so please do that, mojang I can't continue playing with the redstone with this awful bug!
Thank you.