CS8936: Feature 'collection expressions' is not available in C# 10.0. Please use language version 12.0 or greater

Godot Version

4.2

Question

I installed Waterways .Net via Assetlib in Godot 4.2 but when I want to enable that i get error:

CS8936: Feature ‘collection expressions’ is not available in C# 10.0. Please use language version 12.0 or greater. D:.…

I thought Godot 4.2 already uses .Net 8 and then also the C## 12?

Is this something I can fix? or is the addon not usable in this case?

Solved… I found one of earlier versions that works fine. Newest has some issues appearenatly.

For others who also want to use this addon and having the same issue I had, this version works for me:

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