Panasonic, Sigma and Sony have announced firmware updates for specific products, while Adobe and DxO have introduced bug fixes and extended support in popular software.

Panasonic has announced a firmware update for its GH4 camera that will add the new Post Focus, 4K Photo Mode and burst capture with flash capabilities to the popular Lumix DMC-GH4. The new update will be available free of charge at the end of the month from Panasonic’s Global customer support service at

Sigma has announced a firmware update for its 150-600mm f/5-6.3 DG OS HSM Sports and Contemporary lenses with Canon and Nikon mounts. The new firmware improves the autofocusing algorithm and optimises the HSM (Hyper Sonic Motor) drive control. According to Sigma: Depending on shooting conditions, it is expected to increase autofocus speed by approximately 20%, to a maximum of 50%, during normal shooting as well as when using “Speed Priority” set through SIGMA Optimization Pro. The firmware can be installed via the SIGMA USB DOCK and is available from

Sony has released firmware update 3.10 for its  α7R II,  α 7R,  α 7S,  α 7 II,  α 7,  α 6000  and  α 5100  cameras. For each camera, the main objective of the update is to add the ability to use Phase Detection AF to operate correctly while Sony’s recently-released G Master lenses. For most cameras it will also enable the correct lens data to be recorded in EXIF metadata. Updates for each camera can be located by clicking on the Drivers and Software link on Sony’s website at

Adobe has released Lightroom CC 2015.5 and Lightroom 6.5, adding support for 13 recently-released cameras plus more than 70 lens profiles. A number of bug fixes have also been applied. For details, visit

DxO has updated its  OpticsPro, FilmPack and ViewPoint software, adding support for six new cameras and 50 additional camera/lens modules. Existing users can download the updates free of charge from