Hello,
The issue about When you unlock an achievement in minecraft bedrock edition, it doesn't show up that you unlocked it in the notification inside minecraft, in the past (before 1.3) that issue wasn't exist, we were able to see that we unlocked an achievement when we unlock it as a notification in the top of the screen.
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Thank you for your report!
We're actually already tracking this issue at MCPE-54902, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki
Thank you for your report!
We're actually already tracking this issue at MCPE-54902, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature to see if the issue has already been mentioned.
Quick Links:
📓 Bug Tracker Guidelines – 💬 Community Support – 📧 Mojang Support
📓 Project Summary – ✍️ Feedback and Suggestions – 📖 Game Wiki