It appears that there are currently major issues with Xbox achievements with players on Xbox Series X|S and Xbox One unable to unlock achievements. Xbox 360 titles are reportedly still working as normal.
No, it’s not just you – Xbox achievements are not properly unlocking for players at this time, and we’ve learned that Xbox Support has been notified and is already investigating a fix for the issue. Several people have stated that Xbox 360 achievements are still unlocked normally, but we’ve also seen reports claiming that after similar glitches in the past, 360 achievements unlocked during downtime failed to sync later, so you may want to you err on the side of caution.
Xbox achievements are not currently unlocking correctly
It is hoped that any achievements unlocked during this outage will reappear retroactively once everything is back to normal, but as we won’t know for sure until everything is back online, we do not recommend performing any achievement unlocks that are unrepeatable. would be for when this doesn’t happen.
We will try to keep you informed of the outage and let you know when everything is back to normal.