Update at 12:39 AEDT:
The fix for this bug has been resolved and the fix is now available from the Microsoft Store as v5.34.9. Do update your app to receive the bug fix.
Thank you to all our users who have submitted tickets, your information and reproducible steps, as well as hypotheses on where the source of the issue was helped us put out this fix extremely quickly.
We'll continue to monitor and will make changes to our processes so that these incidents can be avoided in the future.
Thank you all again for patience and understanding.
Update at 10:00 AEDT:
We've found a potential fix for it an are testing the fix before releasing it to the Microsoft Store.
For a current workaround, you can still select annotations with the Pan Tool for now till the fix is released.
Initial post at 9:05am AEDT:
We've noted a significant bug in the latest release of 5.34.7 where a bug is prevent annotations from being erased.
Our team is moving quickly to identify and rectify the source of the issue and we will keep you updated on the progress.
Thank you for your patience and understanding.