Reproduction steps:
1. Make sure the DotNet sdk version in the system is superior to 10.0
2. Open any project with the Unity editor, let it create the csproj
3. From the terminal, while standing at the project root, execute:
dotnet build Assembly-CSharp.csproj /v:detailed 2>&1 | tee build-detailed-netframework.txt > /dev/null
4. Open the generated file build-detailed-netframework.txt, and observe the warnings.
Actual result: In Unified primary reference "System.Numerics.Vectors”, user also reports a warning MSB3277 conflict
Expected result: There should be no warning MSB3277 while using DotNet 11.0 or higher
Reproducible with: 6000.0.0f1, 6000.0.76f1, 6000.3.17f1, 6000.4.10f1, 6000.5.0a11, 6000.6.0a6
Reproducible on: Tahoe 26.5 (M1 Max), Linux (according to user)