Changes in MySQL Connector/NET 9.1.0 (2024-10-15, General Availability)

• Functionality Added or Changed

• Bugs Fixed

Functionality Added or Changed

• Connector/NET now supports .NET 9 and Entity Framework Core 9 (preview versions). (WL #16308)

• The OpenTelemetry.Api library is no longer bundled, it now pulls in the OpenTelemetry.Api 1.9.0 NuGet package. (WL #16453)

• Added OpenID Connect support leveraging the new authentication_openid_connect_client client-side authentication plugin. OpenID Connect functionality is supported by MySQL Enterprise Edition Server 9.1.0 and later.

  The new OpenidIdentityToken connection option defines a path to a file containing the JWT formatted identity token. (WL #16491)

Bugs Fixed

• Changed EntityFramework to use the actual column name in JOIN statements to prevent clashes.

  Our thanks to Kristoffer Sjöberg for the contribution. (Bug #116028, Bug #37032982)

• Made improvements to MySqlPoolManager.GetPoolAsync related fixes that were made in Connector/NET 8.2.0.

  Our thanks to Stuart Lang for the contribution. (Bug #111759, Bug #35937318)

  References: This issue is a regression of: Bug #110717.

• Executing SELECT statements on Big-Endian client machines could cause MySQL to unexpectedly halt.

  Our thanks to Sidraya Jayagond for the contribution. (Bug #111630, Bug #35937293)