How to install Darktable 2.2.5 on Ubuntu 17.04

     Darktable is an open source photography workflow application and raw developer. A virtual lighttable and darkroom for photographers. It manages your digital negatives in a database, lets you view them through a zoomable lighttable and enables you to develop raw images and enhance them.

Darktable 2.2.5 Changelog:
New features:

•     When appending EXIF data to an exported image, do not fail if reading of EXIF from the original file fails
•     Support XYZ as proofing profile
•     Clear DerivedFrom from XMP before writing it
•     bauhaus: when using soft bounds, keep slider step constant

Bugfixes:

•     Some GCC7 build fixes
•     cmstest: fix crash when missing XRandR extension.
•     Fix crash in Lua libs when collapsing libs
•     Mac packaging: some fixes
•     RawSpeed: TiffIFD: avoid double-free
•     Fix a few alloc-dealloc mismatches

Base Support:

•     Canon EOS 77D
•     Canon EOS 9000D
•     Nikon D500 (14bit-uncompressed, 12bit-uncompressed)
•     Nikon D5600 (12bit-compressed, 12bit-uncompressed, 14bit-compressed, 14bit-uncompressed)
•     Panasonic DC-FZ82 (4:3)
•     Panasonic DMC-FZ80 (4:3)
•     Panasonic DMC-FZ85 (4:3)
•     Panasonic DC-GH5 (4:3)

White Balance Presets:

•     Pentax K-3 II

Noise Profiles:

•     Nikon D500
•     Panasonic DMC-FZ300
•     Panasonic DMC-LX100
•     Pentax K-70
•     Sony ILCE-5000

Installation instructions:

    We can add this PPA to Ubuntu Operating  Systems and install Darktable with few easy commands.

Open terminal and insert command line...

$ sudo add-apt-repository ppa:pmjdebruijn/darktable-release $ sudo apt-get update $ sudo apt-get install darktable

refer original : https://howto-ubuntunew.blogspot.com/