People following the development of darktable might have heard that we added a grouping feature. Everyone who hasn’t heard of that yet: We added a grouping feature.

Now that everybody knows about it I should try to explain what it actually is and how it works/how to use it. For the technical specification …

in an ideal world, an image is piecewise smooth. it has soft gradients, some detail and edges. in particular there’s no noise and the edges are sharp. given these assumptions, you can do a lot of cool things to your pictures, using techniques like frequency space editing, wavelets, or local histograms. …

After the progress reported in the latest blog post on the OS X port of darktable we now have something new for the Mac users:

parafin just released an experimental DMG image of darktable!

Please be aware of this being an experimental OS X build as well as experimental software in general – it’s based on the …

darktable has been software of my choice for raw photo development for quite some time now, I’ve occasionally submitted bug reports and patches and kept an eye on current development by using git master version. My main operating system is Linux, which is the priority target of darktable support, but …

It’s our pleasure to announce that darktable-1.0.5 has been released. Find the tarball on sf.net:

https://sourceforge.net/projects/darktable/files/darktable/1.0/darktable-1.0.5.tar.gz/download

The Ubuntu PPAs have been built already, you should get them with your next update automatically if you subscribed …

Conditional blending, also known as “blend if”, is a feature which is currently under development in our master branch. A general description of the idea together with some examples can be found here. In short, conditional blending allows you to limit the effect of a module to certain pixels of an …

false color highlights seem to be an issue frequently, so here’s some quick faq about it. alexandre, please excuse all the outward references ;)

why are my highlights magenta?

that’s how the sensor works. it collects a couple of photons, at some point it fills up and rejects to deliver any more useful …

Recent builds from git will bring you a new executable, “darktable-cli”. With this tool you can export images using the processing power of darktable on the command line.

The simplest way to call the utility is

darktable-cli <input> <output>

This will take the input image, look for the XMP file …

Some Ubuntu 12.04 (Precise) users who use Ubuntu’s default Unity desktop environment may have noticed that it’s commonplace for Unity to crash when closing darktable. It so happens that darktable is exposing a bug in Unity, which got fixed upstream with a one-liner patch.

The above fix will be …

Pascal was so kind to tend to a stable branch, the next incarnation of which we have the good fortune to announce.

The changes over darktable 1.0.3 are:

• More robust OpenMP compiler detection code

• New warming/cooling filter presets for color correction plugin

• Lighttable thumbnails should be slightly faster …