GIMP 2.10.22 has been released with AVIF support.

GIMP 2.10.22 Released

GIMP 2.10.22 is a bug fix release, which for once contains mostly maintenance changes in core code.

Release highlights:

Improved HEIC and newly added AVIF support
Numerous improvements in the PSP file format support
Improved multi-layer TIFF exporting
Better handling of the Exif “Orientation” metadata
New “Sample merged” option in the GEGL operation tool

On official plug-in side though, there are quite a few improvements, in particular, better support of image formats, as well as support for one new format, AVIF.

GIMP 2.10.22 Released - GIMP