Coming two months after the 2.2.3 point release, darktable 2.2.4 is here to introduce two new scripts, one for purging stale image thumbnails and another one for watching a specific folder for new photos, as well as to improve the opacity handling of the brush trace to offer better control to the user. It also adds base support for various new digital cameras, such as Fujifilm X100F and Fujifilm X-T20, but it looks like darktable 2.2.4 only supports uncompressed raw for now. Nikon COOLPIX B700 (12bit-uncompressed), Olympus E-M1 Mark II, Sony ILCE-6500, Panasonic DMC-TZ61 and Panasonic DMC-ZS40 are also supported.