v5.2.2 ID3v2 Non-Standard Frame Identifier Hotfix

This release adds a fix for a bug that prevented ID3v2 frames with non-standard identifiers from being loaded. It also caused affected files to fail to load.

Fixes

• Fix the above bug by treating non-standard frame identifiers as UnknownFrames

Special Thanks

• @stuartambient & @digimezzo for reporting the issue and testing solutions