This relates to Toad for Oracle 12.12.
From a windows directory list I dragged a few hundred files into the editor. Works fine.
I changed them one by one, close the edit tab, get a question pop-up: save Yes/No ?
Which I answer with Yes.
On one of the files, the editor ‘forgets’ to issue the pop-up, hence the changed source code is not saved.
Did I double-check? yes: all files had a change-date within the last hour. Except one, which had remained unchanged.
Re-applying the change then exiting works okay: I do get the pop-up and the file is saved.
This happened twice this morning.
Would you please have a look at this issue?