This release include features that users have been asking the team all along:
- New Unified Transform (rotating, scaling, perspective etc. in one go), Handle Transform, and Warp Transform (think Photoshop's Liquify) tools;
- Processing with 16/32-bit per color channel precision, integer or float;
- Gradient tool now allows on-canvas editing;
- Digital painting improved with threaded painting, canvas rotation and flipping, new MyPaint Brush tool, symmetry painting;
- Performance improvements for some filters thanks to multi-threading;
- Improved support for TIFF, PNG, PSD, PDF, FITS;
- Pre-processing of raw digital photos with darktable or RawTherapee at your preferences (more processors can be plugged);
- Over 80 GEGL-based filters with on-canvas preview, including custom split before/after preview.
- Exif, XMP, IPTC, DICOM metadata viewing and editing;
- Newly added support for WebP, OpenEXR, RGBE, HGT;
- Optional linear RGB workflow;
- 15 new blending modes, including Pass-Through;
- Color management rewritten and now a core feature, all color widgets are now color managed, ICC v3 profiles supported;
- CIE LCH and CIE LAB color models now used in a few tools;
