darktable 1.6.8 is here to add raw speed improvements to various digital cameras, including Canon EOS M3, Canon EOS 5Ds R, Nikon 1 J5, Panasonic DMC-G7 (4:3 aspect ratio only), Panasonic TZ71, Fujifilm X-T10, Olympus TG-4, Pentax K-S2, and Leica VLUX1 (4:3 aspect ratio mode). Additionally, it adds clipping and santiy check for custom aspect ratios, the ability to read the model of lenses from an XMP file.