Since the previous version, almost 3000 commits have been made, 553 pull requests have been accepted, and 66 issues have been fixed.
Main changes:
- Threads ported from POSIX implementation to OpenMP.
- Large-scale code cleanup.
- Cooperation with the LLVM project continues.
- Optimizing file reading performance for Sony ARW2, Panasonic V5, Phase One, Nikon, Pentax, Canon.
- Complete redesign of the interface and transition to GTK/CSS. Available themes to choose from: darktable, darktable-elegant-darker, darktable-icons-darker, darktable-elegant-dark, darktable-elegant-grey, darktable-icons-dark, darktable-icons-grey. The requirements for the minimum version of GTK have been raised to 3.22.
- New key combination to hide frames, sidebars, histograms for use in borderless mode.
- New module for color correction 3D RGB LUT.
- Multiple improvements in the denoise module. The level of shadow noise reduction is now controllable, including cast correction. Improved sliders and input fields.
- The Soft Proof module has been supplemented with a choice of color space in which it will calculate the histogram, etc.
- The 'filmic' module has been deprecated; a new version of it, 'filmic RGB', is being used, which replaces the 'base curve', 'shadows and highlights' and other global tone projection modules.
- Added the 'tone equalizer' module, which combines the 'zone system', 'shadows and highlights' and 'tone mapping (local)' modules.
- Added selection of workspace color profile for modules that will work between the input module and the output module.
- Support for the latest Google Photo API
- Improvements in the tags module, incl. added tag hierarchy.
- On Linux, support for target clones has been added to GCC. The image processing code is implemented in parallel on SSE2, SSE3, SSE4, AVX, AVX2. The program then selects the optimal type of instructions on the fly depending on the processor used.
- Eyedroppers have appeared in the 'split toning', 'graduated density' and 'watermark' modules.
- The new 'basic adjustments' module allows you to adjust black level, exposure, highlight compression, contrast, gray point, brightness and saturation.
- Two new modules 'rgb curve' and 'rgb curve' for working with individual channels.
- Changes in the base curve module may result in decreased contrast at the same settings.
- Improved search by modules
Basic camera support (added after 2.6):
- Epson R-D1s;
- Epson R-D1x;
- Fujifilm FinePix F770EXR;
- Fujifilm FinePix S7000;
- Fujifilm GFX 50R (compressed);
- Fujifilm X-A10;
- Fujifilm X-T30 (compressed)l
- Fujifilm XF10;
- Kodak DCS Pro 14N;
- Kodak EasyShare Z981;
- Kodak EasyShare Z990;
- Leica C (Typ 112) (4:3);
- Leica CL (dng);
- Leica Q (Typ 116) (dng);
- Leica Q2 (dng);
- Leica SL (Typ 601) (dng);
- Leica V-LUX (Typ 114) (3:2, 4:3, 16:9, 1:1);
- Nikon Z 6 (14bit-uncompressed, 12bit-uncompressed)l
- Nikon Z 7 (14bit-uncompressed);
- Olympus E-M1X;
- Olympus E-M5 Mark III;
- Olympus TG-6;
- Panasonic DC-G90 (4:3);
- Panasonic DC-G91 (4:3);
- Panasonic DC-G95 (4:3);
- Panasonic DC-G99 (4:3);
- Panasonic DC-ZS200 (3:2);
- Panasonic DMC-TX1 (3:2);
- Phase One P30;
- Sony DSC-RX0M2;
- Sony DSC-RX100M6;
- Sony DSC-RX100M7;
- Sony ILCE-6400;
- Sony ILCE-6600;
- Sony ILCE-7RM4.
White balance presets:
- Leica Q2;
- Nikon D500;
- Nikon Z 7;
- Olympus E-M5 Mark III;
- Panasonic DC-LX100M2;
- Sony ILCE-6400.
Added noise reduction profiles for:
- Leica Q2;
- Nikon D3;
- Nikon D3500;
- Nikon Z 6;
- Nikon Z 7;
- Olympus E-PL8;
- Olympus E-PL9;
- Panasonic DC-LX100M2;
- Sony DSC-RX100M5A;
- Sony ILCE-6400;
- Sony SLT-A35.
Source: linux.org.ru