- **BREAKING:** Store 'disc', 'disc_total', 'track' and 'track_total' values as int instead of str
- **BREAKING:** 'as_dict()' method (previously undocumented) returns tag field values in list form
- **BREAKING:** TinyTagException no longer inherits LookupError
- **BREAKING:** TinyTag subclasses are now private
- **BREAKING:** Remove function to use custom audio file samples in tests
- **BREAKING:** Remove support for Python 2
- **DEPRECATION:** Mark 'ignore_errors' parameter for TinyTag.get() as obsolete
- **DEPRECATION:** Mark 'audio_offset' attribute as obsolete
- **DEPRECATION:** Deprecate 'extra' dict in favor of 'other' dict with values in list form
- **DEPRECATION:** Deprecate 'get_image()' method in favor of 'images.any' property
- Add type hints to codebase
- Provide access to custom metadata fields through the 'other' dict
- Provide access to all available images
- Add more standard 'other' fields
- Use Flit as Python build backend instead of Setuptools
- ID3: Fix invalid sample rate/duration in some cases
- ID3: Fix reading of UTF-16 strings without BOM
- FLAC: Apply ID3 tags after Vorbis
- OGG/WMA: Set missing 'channels' field
- WMA: Set missing 'other.copyright' field
- WMA: Raise exception if file is invalid
- Various optimizations