Panasonic Japan issued the following statement:
Notice about LUMIX GH6
Thank you for your continued patronage of Panasonic products.
Regarding the mirrorless single-lens camera “LUMIX GH6” that was developed and announced on May 26, 2021 We were aiming for commercialization within 2021, but it is expected to be delayed. Currently, we are aiming for commercialization in early 2022. We apologize for any inconvenience caused to customers who are waiting for this product. Deeply apologize. December 16, 2021 Panasonic Corporation
Not really a surprise…the worldwide chip shortage will be a plague at least til 2023!