System.Collections.Concurrent

This is the assembly that surfaces concurrent collections such as ConcurrentDictionary<TKey, TValue> and ConcurrentBag<T>. It provides thread-safe collections that should be used whenever multiple threads are accessing the collection concurrently.

Documentation can be found at https://learn.microsoft.com/en-us/dotnet/api/system.collections.concurrent.

Contribution Bar

• We consider new features, new APIs and performance changes
• We consider PRs that target this library for new source code analyzers
• We don't accept refactoring changes due to new language features

See the Help Wanted issues.

Deployment

System.Collections.Concurrent is included in the shared framework and also provided as a NuGet package.