On Android as far as I can see, you are not receiving notification of achievements or invitations to enter a world. (I see this problem on the iPhone as normal.)

⚠️ Please do not mark Unreleased Versions as affected. You don't have access to them yet.

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This has been happening for a long time

Ok but BETA doesn't mean its a long time

Más is not only in betas, in the official one also has these problems.

The bug still happens.

O problema ainda está.

The problem still persists.

Stop attaching to others and the problem still persists in official and beta versions of Android.

"achievement notification doesn't pop up" is the same thing as "not receiving notification of achievement" and "i do not receive invitations to play multiplayer" is the same issue as "i do not receive an invite every time someone sends me an invite to their world". Platform "multiple" includes other editions in addition to android, so it is the same bug but also occurs on other platforms
The bug is marked as a duplicate because the staff only need one bug report to understand the issue, gather information and fix the issue - having many bug reports is not helpful for this. You can ask certain staff on the progress of the bug, but repeatedly saying the bug still exists is not helpful as it takes time to fix the many bugs in the game and some may be considered lower priority/harder to fix

Okay.