Panasonic has issued firmware updates for most of its lenses to make them compatible with the new dual-Is technology introduced in DMC-G8X. Firmware updates are now available for six Panasonic lenses, with more supports coming next year. Following lenses are supported for the time being.

• Lumix G Vario 14-140mm F3.5-5.6 ASPH Power O.I.S. (H-FS14140)
• Lumix G Vario 14-42mm F3.5-5.6 II ASPH Mega O.I.S. (H-FS1442A)
• Lumix G Macro 30mm F2.8 ASPH Mega O.I.S. (H-HS030)
• Lumix G X Vario 12-35mm F2.8 ASPH (H-HS12035)
• Lumix G X Vario 35-100mm F2.8 ASPH (H-HS35100)
• Lumix G Leica DG Nocticron 42.5mm F1.2 (H-NS043)

Download Link – To download each of these firmware updates click here

Updates will be available for all of its current lenses except for the original 14-45mm kit zoom, 45-200mm F4-5.6 and 100-300mm F4-5.6 by February 2016.