darktable 2.6.0rc0 released

we’re proud to announce the first release candidate for the upcoming 2.6 series of darktable, 2.6.0rc0!

the github release is here: https://github.com/darktable-org/darktable/releases/tag/release-2.6.0rc0.

as always, please don’t use the autogenerated tarball provided by github, but only our tar.xz. the checksums are:

$ sha256sum darktable-2.6.0~rc0.tar.xz
5317f6353a1811ffc1e4c06fb983db5cd0bcfdccd6d8f595f470a3536424658f darktable-2.6.0rc0.tar.xz
$ sha256sum darktable-2.6.0rc0.dmg
??? darktable-2.6.0rc0.dmg
$ sha256sum darktable-2.6.0rc0.exe
??? darktable-2.6.0rc0.exe

when updating from the currently stable 2.4.x series, please bear in mind that your edits will be preserved during this process, but it will not be possible to downgrade from 2.6 to 2.4.x any more.

Important note: to make sure that darktable can keep on supporting the raw file format for your camera, please read this post on how/what raw samples you can contribute to ensure that we have the full raw sample set for your camera under CC0 license!

Over 1600 commits to darktable+rawspeed since 2.4
260+ pull requests handled
250+ issues closed
Updated user manual is coming soon™

The Big Ones

new module retouch allowing changes based on image frequency layers
new module filmic which can replace the base curve and shadows and highlights
new module to handle duplicates in the darkroom with possibility to add a title, create standard or virgin duplicate, delete duplicate and quickly compare with a duplicate
new logarithm controls for the tone-curve
new mode for the unbreak profile module
add mask preview to adjust size, hardness before placing them
make it possible to change the cropped area in the perspective correction module
the mask blur has been complemented with a guided-filter to fine tune it (this works on RGB and Lab color space).
color balance module has two new modes based on ProPhotoRGB and HSL
Experimental support for PPC64le architecture (OpenCL support needs to be disabled, -DUSE_OPENCL=OFF)

New Features And Changes

search from the map view is now fixed
visual rework of the lighttable (color label, image kind, local copy)
an option make it possible to display some image information directly on the thumb
add optional scrollbars on lighttable, or lighttable and darkroom
allow each masks of the clone module to have the opacity adjusted
lightroom import module supports the creator, rights, title, description and publisher information.
enhance TurboPrint support by displaying the dialogue with all possible options
new sort filter based on the image’s aspect
new sort filter based on the image’s shutter speed
new sort filter based on the image’s group
new sort filter based on a personalized sorting order (drag&drop on the lighttable view)
collection based on the local copy status
group image number displayed on the collection module
new zoom level at 50%; 400%, 800% and 1600%
better support for monochrome RAW
add contextual help pointing to the darktable’s manual
better copy/paste support for multiple instances
add support for renaming the module instances
add frequency based adjustment for the RAW denoise module
add frequency based adjustment for the denoise profile module
all widgets should be themable via CSS now
add support for configuring the modules layout
different way to select hierarchical tags in the collection module (only the actual parent tag, all children or the parent and children)
better handling of grouped images by allowing setting stars, color label for the whole group.
make it possible to apply a preset to a new module instance using the middle click
new script to migrate collection from Capture One Pro

Bug fixes

Fix the color pickers behavior in all modules
Fix liquify tools switching
Many more bugs got fixed

Lua

No changes

Changed Dependencies

CMake 3.4 is now required
In order to compile darktable you now need at least gcc-5.0+/clang-3.9+
Minimal clang version was bumped from 3.4+ to 3.9+
Packagers are advised to pass -DRAWSPEED_ENABLE_LTO=ON to CMake to enable partial LTO.

RawSpeed changes

GoPro ‘.GPR’ raws are now supported via new, fast ‘VC-5’ parallel decompressor
Panasonic’s new raw compression ('.RW2', GH5s, G9 cameras) is now supported via new fast, parallel ‘Panasonic V5’ decompressor
Panasonic’s old (also ‘.RW2’) raw decompressor got rewritten, re-parallelized
Phase One ('.IIQ') decompressor got parallelized
Nikon NEF ‘lossy after split’ raw support was recovered
Phase One ('.IIQ') Quadrant Correction is now supported
Olympus High-Res (uncompressed) raw support
Lot’s and lot’s and lot’s of maintenance, sanitization, cleanups, small rewrites/refactoring.
NOTE: Canon ‘.CR3’ raws are NOT supported as of yet.

Camera support, compared to 2.4.0

Base Support

Canon EOS 1500D
Canon EOS 2000D
Canon EOS Rebel T7
Canon EOS 3000D
Canon EOS 4000D
Canon EOS Rebel T100
Canon EOS 5D Mark IV (sRaw1, sRaw2)
Canon EOS 5DS (sRaw1, sRaw2)
Canon EOS 5DS R (sRaw1, sRaw2)
Canon PowerShot G1 X Mark III
Fujifilm X-A5
Fujifilm X-H1 (compressed)
Fujifilm X-T100
Fujifilm X-T3 (compressed)
GoPro FUSION (dng)
GoPro HERO5 Black (dng)
GoPro HERO6 Black (dng)
GoPro HERO7 Black (dng)
Hasselblad CFV-50
Hasselblad H5D-40
Hasselblad H5D-50c
Kodak DCS Pro 14nx
Kodak DCS520C
Kodak DCS760C
Kodak EOS DCS 3
Nikon COOLPIX P1000 (12bit-uncompressed)
Nikon D2Xs (12bit-compressed, 12bit-uncompressed)
Nikon Z 6 (except uncompressed raws)
Nikon Z 7 (except 14-bit uncompressed raw)
Olympus E-PL8
Olympus E-PL9
Olympus SH-2
Panasonic DC-FZ80 (4:3)
Panasonic DC-G9 (4:3)
Panasonic DC-GH5S (4:3, 3:2, 16:9, 1:1)
Panasonic DC-GX9 (4:3)
Panasonic DC-TZ200 (3:2)
Panasonic DC-TZ202 (3:2)
Panasonic DMC-FZ2000 (3:2)
Panasonic DMC-FZ2500 (3:2)
Panasonic DMC-FZ35 (3:2, 16:9)
Panasonic DMC-FZ38 (3:2, 16:9)
Panasonic DMC-GX7MK2 (4:3)
Panasonic DMC-ZS100 (3:2)
Paralenz Dive Camera (chdk)
Pentax 645Z
Pentax K-1 Mark II
Pentax KP
Phase One P65+
Sjcam SJ6 LEGEND (chdk-b, chdk-c)
Sony DSC-RX0
Sony DSC-RX100M5A
Sony DSC-RX10M4
Sony DSC-RX1RM2
Sony ILCE-7M3

White Balance Presets

Canon EOS M100
Leaf Credo 40
Nikon D3400
Nikon D5600
Nikon D7500
Nikon D850
Olympus E-M10 Mark III
Olympus E-M1MarkII
Panasonic DC-G9
Panasonic DC-GX9
Panasonic DMC-FZ300
Sony DSC-RX0
Sony ILCE-6500
Sony ILCE-7M3
Sony ILCE-7RM3

Noise Profiles

Canon EOS 200D
Canon EOS Kiss X9
Canon EOS Rebel SL2
Canon EOS 750D
Canon EOS Kiss X8i
Canon EOS Rebel T6i
Canon EOS 760D
Canon EOS 8000D
Canon EOS Rebel T6s
Canon EOS 77D
Canon EOS 9000D
Canon EOS 800D
Canon EOS Kiss X9i
Canon EOS Rebel T7i
Canon EOS M100
Canon EOS M6
Canon PowerShot G1 X Mark II
Canon PowerShot G1 X Mark III
Canon PowerShot G9 X
Fujifilm X-T3
Fujifilm X100F
Nikon COOLPIX B700
Nikon D5600
Nikon D7500
Nikon D850
Olympus E-M10 Mark III
Olympus TG-5
Panasonic DC-G9
Panasonic DC-GX9
Panasonic DMC-FZ35
Panasonic DMC-FZ38
Panasonic DMC-GF6
Panasonic DMC-LX10
Panasonic DMC-LX15
Panasonic DMC-LX9
Panasonic DMC-TZ70
Panasonic DMC-TZ71
Panasonic DMC-ZS50
Pentax K-01
Pentax KP
Samsung NX1
Sony DSC-RX100M4
Sony DSC-RX10M3
Sony ILCE-7M3

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