wsi-rs 0.9.1

wsi-rs 0.9.1 is a patch release with fixes to the tile byte locations and lossless raw reads added in 0.9.0 (#27, #32). There are no API changes. It still uses J2K 0.13.1 and JXR 0.4.0 and needs Rust 1.99 or newer.

The Python bindings are on PyPI as wsi-rs (pip install -U wsi-rs). The abi3 wheels support Python 3.10 and newer on:

• Linux x86_64 and aarch64;
• macOS arm64 and x86_64;
• Windows x64.

The wheels and sdist are attached to this release.

[0.9.1] - 2026-11-01

Fixes to the tile locations and lossless raw reads added in 0.9.0. No API
changes.

Fixed

• Raw reads of clipped right and bottom edge tiles now report the stored
  tile's size, with RawCompressedTile::tile_region locating the tile inside
  it, as tile_location does, for TIFF JPEG XR tiles and NDPI tiles read
  through restart markers. JPEG XR edge tiles reported the clipped size for a
  codestream holding the whole tile, and NDPI edge tiles reported no region.
• A raw read cut from a baseline or progressive JPEG that the lossless crop
  cannot cut, such as a single component sampled 2x2, now returns the whole
  stored JPEG with tile_region locating the tile, as a crop over its memory
  limit does, instead of failing. A crop source that breaks the JPEG
  standard (a zero quantizer, repeated component IDs, sampling factors
  outside 1 to 4 or more than 10 blocks per MCU) now fails with
  WsiError::Jpeg rather than WsiError::Unsupported.
• EncodedUnit::assemble and TIFF JPEG raw reads merge JPEGTables into a
  tile whenever the tile references a quantization or Huffman table it does
  not define. Before, a tile carrying any table of each kind was returned
  unchanged, so a tile with its own table 0 that needed table 1 from
  JPEGTables could not be decoded on its own. Tables the tile defines still
  take precedence.
• DICOM tile_location now checks that the file is the one opened, as tile
  reads do, and returns the "source changed" error for a replaced file
  instead of byte ranges computed against the old one.