2.8 Windows & Linux
v2.8 (03/21/2026) (public)
- compression: improved AC sign context using top-left diagonal neighbor
(mod_sgn 9->27 states), ~0.04% better ratio on typical camera photos - new switch: [-r] recurse into subdirectories
- new switch: [-list] display PJG file info without decompressing
- new switch: [-dry] dry run: simulate without writing output files
- MT mode: Ctrl+C stops workers cleanly, removes partial output files
- summary now reports speed in MB/s
- thread info shows detected core count
- fixed: -list no longer creates empty .jpg output files
- fixed: MT progress bar no longer shows stray characters after completion
- maintainer: Yade Bravo (https://github.com/YadeWira)