Nikon posted a notice on download center for the latest Nikon Z5/Z6/Z7 firmware updates. Notice simply inform users that an issue has been identified and a fix will be provided soon.
All in all, if you are in the process of installing the latest Nikon Z6, Z7 and Z5 firmware, do not install and wait.
“An issue has been identified in firmware versions 3.10 and 3.11 in which fine-tuning values selected for AF fine-tune > Saved value are not correctly applied when pictures are taken. A fix will be made available via the Download Center as it becomes available. We apologize for any inconvenience this may cause.”
See also: Best Lenses for Nikon Z6 and Z7 | Best Memory Cards for Nikon Z6 & Z7
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