The Nikon D6 (B&H Photo/Adorama/Amazon) was originally planned for March 2020 release date. Now due to COVID-19, Nikon has officially announced that Nikon D6 will be delayed until May 2020. You can take a look at pre release below:
Apology and Notice of Delay in the Release of the Nikon D6 Digital SLR Camera
We are now planning to release the Nikon D6 in May 2020 and will announce the new release date once it has been determined.
We will continue to closely monitor the situation and do our utmost to deliver this new camera as soon as possible. Thank you for your understanding and patience in this matter.