* .NET 11 RC2 minimal changes
* Heuristic for transport feed Roslyn selection
* Microsoft.CodeAnalysis.NetAnalyzers from main NuGet feed
* Use the VS2026 image
* Switch all test projects to net11
* Extract constants
* Include vsix with plain nuget.config files
* Basics of net8.0. Breaking unit tests expected.
* Missed that TestRunner project was already upgraded to net7.0 (search and replace fail)
* Use Preview 6 locally
* Use .NET 8.0 RTM
* Final fixups
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Co-authored-by: Christoph Wille <christoph.wille@gmail.com>
- Use custom test runner for correctness tests.
- Use .NET 6.0 framework for all Roslyn compiler tests.
- Disabled tests involving new string interpolation patterns.