Note that this is a bug-and-build fix release on the obsolete 2.1 release series.
Release 2.1.20 (1 Oct 2020) -- compared to 2.1.19
- Windows: make sure aligned_malloc and aligned_free are properly declared
as OIIO_API. #2701 - Support for libheif 1.8 and 1.9. #2685 #2724
- Fix crash in IBA::contrast_remap for very large images. #2704
- Bug fix in Strutil::splits and splitsv: when input is the empty string,
the split should return no pieces. #2712