The Early Access version is closed now.

Major Update Schedule of the Offical version:   

The official version update schedule is as follows 

•  2021/12/23- [Full Version Chapters 1-5] and [Public Version Chapters 1-4]
• 2022/2/25- [Full Version Chapter H] and [Public Version Chapter 5-H] 
•  2022/3/25- DLC [Don's After Story] 2022/4/25- DLC [Karl's After Story]  
•  2022/5/25- DLC [Ekram's After Story]  2022/7/25- Frank's Bonus game

Released history please check
https://itch.io/t/1432375/early-access-released-histories