Lumix G9II compatibility and firmware guide

current firmware

v2.70

Released June 2026

lens mount status

Fully compatible — L-mount alliance

Lumix Leica tested

Firmware history

Version	Release date	What changed	Worth updating for?
2.70	6.2026	Video bug fixes	Yes
2.60	4.2026	Improved operational stability, DMW-DMS1 support	Yes
2.50	10.2025	Function Improvements and Enhancements, Additional Video Function, Improved compatibility	Yes
2.30	1.2025	Compatibility and function improvements (big update)	Yes

Lens quick list

Panasonic Leica DG Summilux 9mm f/1.7 Asph. — native, full compatibility
Panasonic Leica Summilux DG 25mm F1.4— native, full compatibility
Panasonic Leica DG Macro-Elmarit 45mm F2.8 ASPH OIS — native, full compatibility
Panasonic Leica DG Vario-Elmarit 12-60mm F2.8-4.0 ASPH POWER O.I.S. — native, full compatibility
Panasonic Leica DG Vario-Elmarit 50-200 mm F2.8-4 ASPH — native, full compatibility

Known quirks

Update your camera with only Lumix native lenses

Written and tested by Gregor. Firmware and compatibility notes last verified: 8.2026. Reviewed every 1–2 months.