Microsoft has suggested a workaround to fix the conflict errors in outlook. See below article:

https://support.microsoft.com/en-us/office/outlook-shows-conflict-errors-when-updating-or-cancelling-meetings-69c26227-40ef-4377-8f12-1749fcaad2ad

Is there any progress to fix this issue from backend rather than just following the workarounds.

​Microsoft has suggested a workaround to fix the conflict errors in outlook. See below article:https://support.microsoft.com/en-us/office/outlook-shows-conflict-errors-when-updating-or-cancelling-meetings-69c26227-40ef-4377-8f12-1749fcaad2ad Is there any progress to fix this issue from backend rather than just following the workarounds.  Read More

​