It saves periodically now it doesn't save after you place a block like it used to. To save all progress now you have to Save and Exit (Which takes a while before confronted with the title screen again.
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[Mojang] Mega_Spud (Jay)
migrated
Thank you for your report!
However, this issue has been closed as a Duplicate of MCPE-12347.
It has been linked to this report. If you have additional information, please add it to that report.
If you have not, please search before reporting, as it's likely that one exists already.
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