v0.13.0

0.13.0 (2026-04-18)

Features

• ci: add ocr-tesseract integration test + CI job (#178) (220671d)
• epub: DPI-aware rendering, language tag, hyperlinks, cover image (191e386)
• mask: wire Smmr (G4/MMR) decoder into both render pipelines (07272b3)
• tiff: embed DPI resolution tags in exported TIFF files (87efb14)

Bug Fixes

• ci: install libleptonica-dev + libtesseract-dev for ocr-tesseract job (0410f70)
• ci: split test into test-stable + test-beta jobs (matrix.rust not allowed in job if) (0d60c76)
• docs: resolve all remaining broken intra-doc links (0 warnings) (4ac8bb1)
• docs: resolve broken intra-doc links in djvu_document (8dbfda0)
• fuzz: revert to cargo install cargo-fuzz, add explicit binary cache (84e6eef)
• fuzz: use correct public module djvu_rs::jb2 in fuzz_jb2 target (9133de6)
• pdf: Unicode-aware glyph width for invisible text layer (2398c38)
• render: add #[allow(unsafe_code)] + unsafe blocks for Rust 2024 SIMD (#169) (179d171)
• render: correct gamma LUT formula to match DjVuLibre (#161) (cd3228d)
• render: resolve unsafe_code / unsafe_op_in_unsafe_fn CI conflicts (889f28f)
• render: restore bilevel composite fast path, recover 2× regression from #165 (46b6931)
• render: use core::arch instead of std::arch for no_std compatibility (122b989)
• resolve issues #164 #169 #170 #174 #176 #177 (774cbdb)
• wasm CI job, open_dir API, DPI scaling in OCR export, jb2_new cleanup (6cbe038)
• zp: widen a/c/fence fields from u16 to u32 to match jb2 inline decoder (fb0db12)

Performance Improvements

• bzz: inline ZP state locals in MTF decode hot loop (bad5b21)
• ci: single nextest pass on main avoids sequential overhead (f17d901)
• deps: split ocr-neural into lightweight stub + ocr-neural-candle (#175) (3a930b2)
• jb2: bit-pack Jbm to 1 bit/pixel — 8x memory, corpus −3.9% (#187) (17f331f)
• render: x86_64 SSE2/SSSE3 fast paths for alpha fill and RGB→RGBA (#169) (0ea3f3e)