Information of　firmware update service for DMC-GH4/DMW-YAGH
Dec. 18, 2014
Panasonic postponed the release of firmware update
programs for the LUMIX Digital Single Lens Mirrorless (DSLM) camera
DMC-GH4 and the Interface Unit DMW-YAGH which were originally scheduled
to be released in December of 2014 due to the need of further
verification.
With the firmware for DMC-GH4, time code and
recording control signal can be embedded to the HDMI output signal*. Now
both FHD at 30p/25p native or at 60p/50p is selectable to output via
HDMI while recording video in FHD at 30p/25p.
The Interface Unit DMW-YAGH will also be updated with the new firmware
to support these functional upgrades of DMC-GH4. Plus, over 60i/50i
(30PsF/25PsF) or 60p/50p is selectable for the output via SDI.
The new firmware programs are going to be released in January of 2015.
* These functions are available when
DMC-GH4 or DMW-YAGH are connected with the products of ATOMOS Global
Pty. Ltd. or the products complying with the extended specifications of
ATOMOS Global Pty. Ltd..

原文链接：http://av.jpn.support.panasonic.com/support/global/cs/dsc/info/update_gh4_yagh.html