Panasonic today has officially announced the new firmware update version 1.1 for Lumix S1 and Lumix S1R full frame mirrorless cameras. This firmware version 1.1 improves image stabilization and autofocus performance for S1 and S1R. You will be able to download this firmware update on July 9th here.
Sony has officially released the firmware update version 2.0 for Sony a6400 (Amazon/B&H/Adorama) APS-C mirrorless camera. The main change of this firmware is add real-time eye AF for animals. You can download this firmware here.
Nikon Europe has posted a teaser about upcoming Nikon Z6 & Z7 firmware update that will be officially released on May 16th, 2019. This firmware will add Eye-detection AF, CFexpress support and Raw video over HDMI to the Z6 and Z7, and also AF and AE improvements for Z6 & Z7.