Hello all,
I've been adding cover to quite a lot of flac tonight using mp3tag 2.50 and so far, I didn't get any corrupted flac, but it's too early to tell! It does look the corruption bug could have been introduced in version 2.51... By looking at the version history, it could make sense:
[2012-05-14] NEW: added support for %_counter% and %_total_files% for format string at action
'Import cover from file'.
[2012-05-13] NEW: added option to specify cover type at action 'Import cover from file'.
[2012-05-04] CHG: add cover now defaults to the last used cover directory if the is no cover art in
the file's directory.
These are changes related to the cover and the bug some of us are having is related to this feature... I will still run further tests using 2.50 to make sure I can't get any corruption files. That could explains why xTobix (and tons of people using mp3tag for ages) cannot reproduce the problem as he is using 2.50.