Techland had not yet called a specific release date for Dying Light 2, now the game has been added to Amazon.
On Amazon Dying Light 2 can now be pre-ordered, according to the information it will be released on December 27, 2019.
Whether the date is only a placeholder or whether it really end of December 2019 appears is unclear at the moment, the pre-order is possible. There have been some rumors that Dying Light 2 will be released for the PS5, but that would not be before May 2020.
Once Techland has revealed the official release date, we will know if the Amazon date is correct.