- Map avif_encode level parameter to quality (breaking). - Support monochrome images in avif_encode. - Add numthreads parameter to avif_decode (fix imread of AVIF). - Add quantize filter (BitGroom, BitRound, GBR) via nc4var.c. - Add LZ4H5 codec. - Support more BCn compressed DDS fourcc types. - Require libavif 1.0.
2023.8.12
Not secure
- Add EER (Electron Event Representation) decoder. - Add option to pass initial value to crc32 and adler32 checksum functions. - Add fletcher32 and lookup3 checksum functions via HDF5's h5checksum.c. - Add Checksum codec for numcodecs.
2023.7.10
Not secure
- Rebuild with optimized compile flags.
2023.7.4
Not secure
- Add BCn and DDS decoder via bcdec library. - Add functions to transcode JPEG XL to/from JPEG (78). - Add option to decode select frames from animated WebP. - Use legacy JPEG8 codec when building without libjpeg-turbo 3 (65). - Change blosc2_encode defaults to match blosc2-python (breaking). - Fix segfault writing JPEG2K with more than 4 samples. - Fix some codecs returning bytearray by default. - Fully vendor cfitsio's ricecomp.c. - Drop support for Python 3.8 and numpy < 1.21 (NEP29).
2023.3.16
Not secure
- Require libjpeg-turbo 2.1.91 (3.0 beta) and c-blosc2 2.7.1. - Add experimental type hints. - Add SZIP codec via libaec library. - Use Zstd streaming API to decode blocks with unknown decompressed size. - Remove unused level, index, and numthreads parameters (breaking). - Make AEC and BLOSC constants enums (breaking). - Capitalize numcodecs class names (breaking). - Remove JPEG12 codec (breaking; use JPEG8 instead). - Encode and decode lossless and 12-bit JPEG with JPEG8 codec by default. - Remove JPEGSOF3 fallback in JPEG codec. - Fix slow IFD seeking with libtiff 4.5. - Fixes for Cython 3.0.
2023.1.23
Not secure
- Require libjxl 0.8. - Change mapping of level to distance parameter in jpegxl_encode. - Add option to specify bitspersample in jpegxl_encode. - Add option to pass de/linearize tables to LJPEG codec. - Fix lj92 decoder for SSSS=16 (59). - Prefer ljpeg over jpegsof3 codec. - Add option to specify AVIF encoder codec. - Support LERC with Zstd or Deflate compression. - Squeeze chunk arrays by default in numcodecs image compression codecs.