Hello,
This visual tree glitch has never been a thing for me up until, the most recent Minecraft Bedrock Update was released and subsequently installed on my Xbox One S.
As far as the glitch itself, there is no specific way to know when it will occur. However, when this glitch does occur you will know it. I think that it origins comes from tree leaves de-spawning, though I cannot be SURE. What I am sure about is that, this is in fact a glitch or bug. When this glitch occurs you will notice tree logs and tree leaves in a weird pattern that is always elevated off the ground. I first noticed it after a dark oak tree grew or rather when it was despawning. A visual has been provided down below and yes... it looks horrible!!! ๐
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Thank you for your report!
However, this issue is a Duplicate of MCPE-55092.
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To be honest I looked through 10 pages of reported bugs and read each one to make sure that I wouldnโt create a duplicate. Ive set 25 bugs/glitches per page. If you do the math that 250 bugs I read before creating one. Im not arguing but thats a bit much, dont you think ๐ค? Also, on the mobile version once you click on a reported bug you canโt ever get back to the homescreen. Which means I had to go to thedesktop version just to get back to the homescreen. Than once I clicked on a bug that I wanted to leave a comment on, I had to switch back to the mobile version because it wouldnโt let me type anything in the desktop version. It was a totally time wasting experience but I did what I had to do to report this bug because thats how much I like Minecraft.