The competition for the release date of S. T. A. L. K. E. R. 2 (S.T.A.L.K.E.R. 2)

The competition relevant again.

Contest rules:
To name the most exact release date of the game. Day,month and year!

Editing your post is FORBIDDEN!
-If the release date is already indicated by another member, to call it impossible!
If at the end of the contest will be two identical date-date win,which in the list first,so: please CHECK the DATE ON SANIATOSTI the OTHER PARTY.

Example: July 1, 2012 (the example can be used as an answer)

PS.The upgrade will be carried out while the author is alive Internet.
PS.S. Last updated may 17, 2018

Participants:
1)DoK2018 - April 20, 2021
2)Legates - 15 Sep 2021
3)BgyJl - 31 December 2021
4)Arthur Tahrirul - 26 APR 2021
5)Aleksey. - December 9, 2021.
6)VitGun - April 7, 2027.
7)Sava Frost - April 26, 2021
8)KoRnEr - April 29, 2021
9)L303 - November 21, 2021
10)Grandshot - 12 Mar 2022
11)Dema-d - 22.12.2021