
I was told that Nikon will release a new minor Nikon Z8 firmware update soon (version 2.01?) with an improved high ISO performance and some other minor fixes for the latest version 2.0.
Nikon released firmware update version 1.01 for the Nikkor Z DX 18-140mm f/3.5-6.3 VR lens with a single fix: “Fixed an issue that in rare circumstances would cause interruption of video recording with a message “Recording interrupted” displayed on the camera when the lens zoom ring is operated during recording.”
I received this Nikon Z9/Z8 firmware roadmap covering the firmware updates that should appear in the future – I am not sure how legitimate this information is, so treat it as a rumor (you are on NikonRumor after all):