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A new X-Trans demosaicing algorithm, Frequency Domain Chroma, was implemented.Add absolute color input as an option to the color look up table module.The tonecurve module now supports auto colour adjustment in RGB.The base curve module allows for more control of the exposure fusion feature using the newly added bias slider.We also added channel specific blend modes for Lab and RGB color spaces.darktable now supports loading floating point HDR DNGs as written by HDRMERGE.darktable now supports loading Fujifilm compressed RAFs.Blending now allows to display individual channels using false colors.Add undo support for masks and more intelligent grouping of undo steps.The local contrast module can now be pushed much further, it also got a new local laplacian mode.
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A very special thanks goes to Peter Budai who finally convinced us to agree to the port and who did most of the work. But overall we are confident that it's quite usable already and hope you will enjoy it. At the moment it's still lacking a few features (for example there is not printing support), has a few limitations (tethering requires special drivers to be installed) and comes with its own set of bugs.
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The outer line on the masks sometimes disappears, and then the inner line freezes, so you can't move the selection. There is a problem with the masking feature, where sometimes drawn masks don't work correctly. Unfortunately I've already discovered bugs. The program now uses GTK3, which partly accounts for the speed up, I believe. There are a few new modules, such as color reconstruction, though the biggest changes have been under the hood. It loads up image thumbnails much quicker now and even starts up a bit faster I think. I've been using it since then and I am impressed by the improvements over the 1.6 series release. For those Linux users here, Darktable 2.0 (a RAW workflow program) was just released a few days ago.
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