Hi,
We have not heard any known issue about FsLogix. Also have not found any update package for this issue.
I noticed the issue occur on multiple computers instead of all users. So I am afraid log analysis based on environment is necessary for further troubleshooting.
However as log analysis is out of Microsoft Q&A forum support scope, we recommend to create a ticket for your issue.
If it is caused by Microsoft product, the consult fee will be refunded to you. If you have any information from support engineer, we would be very appreciate if you could share it here.
Bests,
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