Yes, I've started to shoot in 6K mode (well, 5K 16:9) on my GH5 too. As you say, it allows for a 30% punch in/ zoom and still gives you a clean 4K master. However I do notice that it uses a lot more battery power to do so. I'm getting less running time out of the larger GH5 batts than I did out of the smaller GH2/G80 type batts in their respective cameras for 4K output.

The burst of GH5 is up to 12i/s in RAW full def, I would love to see a 24i/s in RAW FHD or RAW 2K in a future firmware update. 10 bits rocks, true, but RAW offer so much latitude when you love to grade. Does the 12 bits RAW is a limitation (compare to the 14 bits of the GH5s) due to LSI, sensor… or do you think it's a choice ?

Firmware Version 2.5

1. Improved compatibility with the Panasonic LEICA DG VARIO-SUMMILUX 10-25mm / F1.7 ASPH. (H-X1025) digital interchangeable lens.
   • Smooth aperture control is available during video recording.
   • [Aperture Ring Increment] has been added with which users can choose the control method of the aperture ring from [SMOOTH] or [1/3EV] in photo shooting.
2. Improved compatibility with the Panasonic Remote Shutter DMW-RS2.
   • The video REC switch on the Remote Shutter can be disabled in the camera’s custom menu.

https://av.jpn.support.panasonic.com/support/global/cs/dsc/download/index.html

Shot on the GH5 with 17.5 and 42.5mm Voigtlanders

Shot on GH5. Aerials are Inspire 2.

@Dr Dave I think this link will help you.

An example of a science film Completely shot on a GH5 and edited on FCPX https://m.youtube.com/watch?v=_S-024Cb5VE

GH5 Firmware Version 2.6 Upcoming

Expanded compatibility with Profoto wireless transmitters (All)

Ability to use Profoto wireless transmitters "Air Remote TTL-O/P" and "Profoto Connect-O/P." All functions may not be available depending on the situation.

Improved AF performance

[AF-ON: Near Shift] and [AF-ON: Far Shift] functions have been added. [AF-ON: Near Shift] preferably focuses on a subject nearby while [AF-ON: Far Shift] preferably focuses on a subject far away.

A Focus Peaking function is available in MF and any AF modes.

Continuous AF capability is available on the live view screen in Creative Video mode or in other video recording modes when the video recording area is displayed.

Other major improvements

• [AWBw] has been added to WB mode.
• [Highlight Weighted] has been added to [Metering mode].
• [Exposure Offset Adjust] has been added to the Custom menu, which enables the user to adjust the standard exposure value for all metering modes.
• [0.5SEC] has been added for an option of [Duration Time (photo)] in [Auto Review].
• AE can be locked with the [AF/AE LOCK] button when ISO Auto is set in M mode.
• [MODE1] has been added to the Live View Boost function, which increases the frame rate for smooth image displays to enable easier manual focusing.

For more details of the update program, please refer to the firmware update information page of each model to be released on November 19, 2019.

Disappointing update for GH5 owners.. and I'd imagine GH5 owners outnumber those who bought the G9 and GH5s cameras, doesn't seem like a good move Panasonic.

Maybe the reason the GH5 isn't getting everything is because of a hardware limitation. The G9 and GH5s is a bit newer.

The "AF-ON: Near Shift" feature would have definitely came in handy for a shoot I was tasked to do last month.

I suppose a free full log profile would have been useful, but as I don't use autofocus, the new AF modes wouldn't have made any difference to me anyway.