Fixed [44195] New tech tree has reverted to old tech tree

[Lady Dastardly]

Game version: v1.175-beta.3-(c5f2415) - html5 (2023-04-24 08:56)
Game world: ZZ1
Browser/IOS/Android + version: Chrome
Operating System or Mobile Device: Windows 11
Screen resolution:
Account name: Lady Dastardly
Humans or Elves: Elves

Reproducibility: 5/5

Current situation:
This city has the new tech tree, but starting today I am now seeing the old tech tree for chapters 1 - 5, and even some older KP requirements in chapter 6, when I open research.

Expected situation:
To have the new tech tree when I open research

Reproduction Steps
1. Open research

Screenshots of the bug:

 

[Amy Steele]

Thanks @Lady Dastardly - confirmed and reported to our development team