Release 2.2.20 (1 Feb 2022) -- compared to 2.2.19
- Fix some address sanitizer failures. #3160
- Build/CI: Deal with OpenColor renaming its master branch to main. #3169
- Windows: Fix error when compiling with MSVC. #3168
- Fix excessive memory usage when saving EXR with many channels. #3176
- TIFF: now works for 16-bit palette images. #3260
- Fix ImageBuf::read bug for images of mixed per-channel data types. #3088