Half my worlds dissappeared or were like brought back earler in the worlds history like I had some diamond tools then it went back to when I had stone tools, after I downloaded a new update and a second version of the game icon appeared when I look at my apps. The new version is playable and is the exact same as the other verson
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Thank you for your report!
We're tracking this issue in MCPE-162878, so this ticket is being resolved and linked as a duplicate.
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Hello, I believe this is a duplicate of this bug here: MCPE-162854
You didn't add much info so I'm not sure