Error when evaluating 'strategy' for job 'cleanup-branch'. .github/workflows/roslyn-branches.yml (Line: 73, Col: 15): Matrix must define at least one vector

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v3, actions/setup-node@v3. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

Possible null reference assignment.

Possible null reference assignment.

Non-nullable field '_completionService' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable property 'QuickInfoService' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Possible null reference argument for parameter 'newText' in 'TextChange.TextChange(TextSpan span, string newText)'.

'DiagnosticAnalyzerExtensions.WithAnalyzers(Compilation, ImmutableArray<DiagnosticAnalyzer>, AnalyzerOptions?, CancellationToken)' is obsolete: 'Use WithAnalyzers overload without a cancellation token'

Nullability of reference types in value of type 'Task<CompletionList>' doesn't match target type 'Task<CompletionList?>'.

Possible null reference argument for parameter 'info' in 'bool RequestInfoTipHandler.IsNullOrEmpty(QuickInfoItem info)'.

'CompletionList.Items' is obsolete: 'This property is obsolete. Use ItemsList instead'