Changelog for BM4D Python / Matlab (https://webpages.tuni.fi/foi/GCF-BM3D/#ref_software) 4.2.5 Updated required version of Python to 3.9. Native code compiled with a less recent version of GCC. 4.2.4 Added compatibility for macOS M-series. Compiled Linux, Windows and macOS ARM binaries. 4.2.3 Add this file. Unadjust weight eps values a bit. 4.2.2 Remove OpenBLAS dependency. Add multithreading support at patch level. Number of threads is controlled by profile variable "num_threads". Multithreading causes slight variation in output due to numerical precision of addition, which can be eliminated by num_threads=1. Add sharpening. Sharpening is disabled by default and can be adjusted by profile function set_sharpen. Adjust weight eps values a bit. 4.0.0 Initial release.