This is the general availability release for the 2.26.0 version of the driver.

The main new features in 2.26.0 include:

• Support SelectMany inside Project/Select - CSHARP-5081
• Support Dictionary.ContainsValue in LINQ queries - CSHARP-2509
• Support string concatenation of mixed types - CSHARP-5071
• Enable use of native crypto in libmongocrypt bindings - CSHARP-4944
• Support serialization of Memory and ReadOnlyMemory structs - CSHARP-4807
• OIDC: support for GCP Identity Provider - CSHARP-4610
• Implement signing of NuGet packages - CSHARP-5050
• Direct read/write retries to another mongos if possible - CSHARP-3757
• Multiple bug fixes and improvements.

The full list of issues resolved in this release is available at CSHARP JIRA project.

Documentation on the .NET driver can be found here.