Panasonic has released firmware version 1.1 for the Lumix DC-GH5 II, adding support for wired 4K streaming, among several feature enhancements. With the new firmware, IP streaming will be possible over tethered LAN at up to 4K/60p, in the H.265 codec. Using the H.264 code opens up the option to directly stream 4K/30p using a smartphone, via USB.

Other enhancements include improvements when shooting using Panasonic's Lumix Tether software, the addition of Live View Composite, and the inclusion of 720 degree and 1080 degree selections to the Focus Ring Control option. The new firmware will become available on November 29th, and full details will be available on Panasonic's website.

Press release:

Panasonic Releases Firmware Update Programs for GH5 II

Newark, NJ (October 9, 2021) – Panasonic today announced the release of a firmware update program Ver.1.1 for the LUMIX GH5 II to enhance performance and usability. The firmware program will be available at LUMIX Global Customer Support website at 8:00 pm EST on November 29 2021.

The GH5 II is a hybrid mirrorless camera that meets the needs of all creators, featuring wireless live streaming capability and C4K 60p/50p 10-bit video recording. With this firmware update, wired streaming performance is enhanced to realize high quality video streaming. It complies with RTP/RTSP streaming via wired LAN and via USB tethering to support maximum 4K high resolution livestreaming for both indoor and outdoor use.

GH5 II Firmware Version 1.1GH5 II Firmware Version 1.1

1. Streaming capability of high-quality video up to 4K

  • IP streaming (RTP/RTSP) of video and audio (AAC) with PC via wired LAN is possible
  • It is also possible to livestream using multiple cameras using LUMIX Tether PC software*.
  • RTMP/RTMPS streaming via USB tethering with a smartphone is possible.

2. Added functions

  • [Live View Composite] function has been added.
  • 720° and 1080° have been added as the options of [Focus Ring Control].
  • The camera can be connected to LUMIX Tether via wired LAN
  • Multiple cameras can be controlled from LUMIX Tether.*
  • Zoom operation of the LUMIX G power zoom lenses can be controlled from LUMIX Tether.*

* Requires LUMIX Tether PC software Ver.2.0 or higher. The LUMIX Tether software Ver2.0 will be available at LUMIX Global Customer Support website at UTC 1:00 on 30 November, 2021.

3. Performance improvement

  • There were cases where the camera froze when transferring images to a PC via Wi-Fi (5GHz). This phenomenon has been fixed.

• All functions may not be available depending on the situation.
• Design and specifications are subject to change without notice.