Implement natvis 'na' modifier and $T substitution - #1612

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: darenm/Setup-VSTest@3a16d909a1f3bbc65b52f8270d475d905e7d3e44. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

Do not use Assert.True(false, message) to fail a test. Use Assert.Fail(message) instead. (https://xunit.net/xunit.analyzers/rules/xUnit2020)

Do not use Assert.True(false, message) to fail a test. Use Assert.Fail(message) instead. (https://xunit.net/xunit.analyzers/rules/xUnit2020)

Test methods should not use blocking task operations, as they can cause deadlocks. Use an async test method and await instead. (https://xunit.net/xunit.analyzers/rules/xUnit1031)

Test methods should not use blocking task operations, as they can cause deadlocks. Use an async test method and await instead. (https://xunit.net/xunit.analyzers/rules/xUnit1031)

Test methods should not use blocking task operations, as they can cause deadlocks. Use an async test method and await instead. (https://xunit.net/xunit.analyzers/rules/xUnit1031)

Test methods should not use blocking task operations, as they can cause deadlocks. Use an async test method and await instead. (https://xunit.net/xunit.analyzers/rules/xUnit1031)

Test methods should not use blocking task operations, as they can cause deadlocks. Use an async test method and await instead. (https://xunit.net/xunit.analyzers/rules/xUnit1031)

Do not use Assert.True(false, message) to fail a test. Use Assert.Fail(message) instead. (https://xunit.net/xunit.analyzers/rules/xUnit2020)

Do not use Assert.True(false, message) to fail a test. Use Assert.Fail(message) instead. (https://xunit.net/xunit.analyzers/rules/xUnit2020)