| Version | Date | Changes |
| v0.9.0 | 2/29/16 | Fixed rotated page text, Mac OS X invisible fonts, and pdf merge slowdown |
| v0.8.5 | 2/21/16 | Better ctrl-c and cleanup behavior |
| v0.8.4 | 2/18/16 | Maintenance release |
| v0.8.3 | 2/18/16 | Bug fix for multiprocessing on windows, ctrl-c interrupt, and integer keywords |
| v0.8.2 | 12/8/14 | Fixed imagemagick invocation on windows. Parallelized preprocessing and tesseract execution |
| v0.8.1 | 12/5/14 | Added --skip-preprocess option, scan_interval option, and fixed too many open files bug during page overlay |