App frequently crashing after last update, abnormal shadows And changes to text is not saved (highlighted)

[Rishii]

app crashing Very frequently, after the last two updates same problems persist. Changes highlighted to text  lost during the crash. some of the pages feature abnormal shadows. Kindly roll back to older versions (two editions older).

[Rishii]

Having problems with version 16.12.15 and 16.12.14