Creating a new room under a Space defaults to room version 9 instead of 12

[Tuinslak]

Steps to reproduce

When creating a new room (both in the web and MacOS desktop) in a space, it creates a room with room version 9. On ElementX (iOS) it creates a room with version 12.

For example, I created room wef (!YgokXNIlCsrmYgWCvT:flatturtle.chat) on Element (Mac in this case):

Example with room test (!XPew_21U_d1QBeIHOc5zlHzcpR9Cvs6SFFTEEVYQ-4k) created on ElementX:

The config of the server defaults to version 12, so I am not sure why it keeps creating rooms with version 9. Note that this only happens when creating a room in a space, and not in the "default" space ("Home"). Under Home it properly creates a room with version 12.

I've tried also using an incognito window (ie no existing cache) and the same problem exists.

ElementX version: 25.08.5
Element version: Element version: 1.11.110
Crypto version: Rust SDK 0.13.0 (f64839e), Vodozemac 0.9.0

Outcome

What did you expect?

Always use server default room version (12 in this case) in any space.

What happened instead?

Stuck at version 9

Operating system

MacOS

Browser information

firefox and chrome (both same issue)

URL for webapp

https://element.flatturtle.chat/

Application version

1.11.110

Homeserver

matrix.flatturtle.chat

Will you send logs?

No