Changes in MySQL Connector/NET 26.7.0 (2026-07-29)

Note

These release notes were created with the assistance of MySQL HeatWave GenAI.

• Functionality Added or Changed

• Bugs Fixed

Functionality Added or Changed

• The following third-party components were updated:

  • OpenTelemetry.Api 1.12.0 updated to 1.15.3

  • Google.Protobuf 3.32.0 updated to 3.35.0

  • ZstdSharp.Port 0.8.6 updated to 0.8.8

  • System.Configuration.ConfigurationManager 8.0.0 updated to 10.0.8

  • EntityFramework 6.5.1 updated to 6.5.2

  • Microsoft.EntityFrameworkCore, Microsoft.EntityFrameworkCore.Relational, and Microsoft.EntityFrameworkCore.Relational.Specification.Tests

    • Updated the 8.0 lane from version 8.0.26 to 8.0.27.

    • Updated the 9.0 lane from version 9.0.15 to 9.0.16.

    • Updated the 10.0 lane from version 10.0.7 to 10.0.8.

  • Microsoft.Extensions.Logging.Abstractions

    • Updated the 9.0 lane from version 9.0.15 to 9.0.16.

    • Updated the 10.0 lane from version 10.0.7 to 10.0.8.

  (WL #17283)

Bugs Fixed

• Fixed an issue relating to certificate validation. (Bug #39270237)

• Fixed an issue relating to GetSchema metadata queries. (Bug #39255163)

• Fixed an issue relating to parameter serialization. (Bug #39255116)

• MySql.EntityFrameworkCore did not correctly translate LINQ queries that use .Contains with collection parameters.

  As of this release, they are properly translated, preserving the appropriate element type mappings. (Bug #119461, Bug #39328452)