Changes since 8.16.0:

• support multipage JXL
• fix PFM byte order on big-endian machines [agoode]
• morph: fix erode Highway path [kleisauke]
• morph: fix C-paths with masks containing zero [kleisauke]
• fix --vips-info CLI flag with GLib >= 2.80 [kleisauke]
• make subsample-mode=on and lossless=true mutually exclusive [kleisauke]
• fix SZI write with openslide4 [goran-hc]
• heifsave: prevent use of AV1 intra block copy feature [lovell]
• threadpool: improve cooperative downsizing [kleisauke]
• fix alpha shift during colourspace conversions [frederikrosenberg]
• heifsave: set image orientation using irot and imir transformations [lovell]
• XYZ2Yxy: guard against divide by zero
• fix MSVC compile error [na-trium-144]
• exif: ensure enumerated entries can be converted to string values [lovell]
• gifsave: add support for eval callback, ensure correct return code [lovell]
• tiffsave: honor disc threshold during pyramid save [kleisauke]
• fill_nearest: fix a leak
• colour: use suggested rendering intent as fallback [kleisauke]
• morph: fix Orc path with large masks [kleisauke]
• invertlut: fix final value in some cases
• matrixload: fix file format detect for some matrix types
• radload: improve sanity check of colour-related headers [lovell]
• heifsave: reject multiband images [lovell]
• heifload: prevent possible int overflow for large images [kleisauke]
• tiffload: add missing read loop [kleisauke]
• prevent possible use-after-free when debugging via --vips-leak flag [lovell]
• avoid possible overflow when multiplication result is cast up [lovell]

Windows binaries should be here shortly:

https://github.com/libvips/build-win64-mxe/releases/tag/v8.16.1