This may not be a "bug", as it's not a new issue.
Here is the ALAC file which has been encoded from a FLAC using another program. (The bitrate displays correctly at around 700k):
Here is the same file re-encoded using the MB format converter. (Any ALAC file encoded using MB will always display a bitrate of 1411k):
In Windows FileExplorer, the bitrate for BOTH files are displayed correctly. (The MB-encoded file is only displayed incorrectly from within MB):
Topic: MB Displays Wrong Bitrate for ALAC Files Created Using the Format Converter (Read 1382 times)