- Update ImageMagick to 6.9.11-11.
- Update OpenEXR to 2.5.0.
- Update MinGW-w64 to 7.0.0.
- Switch to NASM within the libjpeg-turbo/MozJPEG build.
- Backport commit libvips/libvips@2b78a00.
- Prefer upstream patches were possible.
- Remove unused xz dependency from libtiff and libxml2.
- Remove redundant size optimization flags.
- Remove libintl/libiconv sub-dependency were possible.
- Build libexif from Git.
- Cleanup GCC/LLVM build scripts.
- Binaries are being built with GCC 10.1 (was GCC 9.3).
- Drop support for Windows XP and Vista.

MXE Updates:
- Update Poppler to 0.88.0.