- Use libjpeg-turbo for all Lossless JPEG bit-depths if possible (105).
- Fix PackBits encoder fails to skip short replication blocks (107).
- Fix JPEG2K encoder leaving trailing random bytes (104).
- Fix encoding and decoding JPEG XL with custom bitspersample (102).
- Improve error handling in lzf_decode (103).
- Add Ultra HDR (JPEG_R) codec based on libultrahdr library (108).
- Add JPEGXS codec based on libjxs library (source only).
- Add SZ3 codec based on SZ3 library.
- Deprecate Python 3.9, support Python 3.13.