Changes since 8.12.1:
- make exif resunit optional and default to inch
- win: don't set create time on inappropriate file descriptors [lovell]
- fall back to magicksave for gif if cgif is not present [erik-frontify]
- fix a crash with 0 length vectors
- change default frame delay for GIFs from 1s to 0.1s
- remove stray trailing comma from iiif3 dirnames [whalehub]
- fix TTF load [chregu]
- revise GIF save alpha threshold [jfcalvo]
- raise libpng pixel size limit from 1m to 10m pixels [jskrzypek]
- fix gif save change detector [TheEssem]
- fix load from pipe with variable size reads
Windows binaries here: https://github.com/libvips/build-win64-mxe/releases/tag/v8.12.2