As of now, IBM.EntityFrameworkCore does not yet support EF Core 9. The current version, 8.0.0.300, is not compatible with EF Core 9, and users have reported issues such as `System.TypeLoadException`[43dcd9a7-70db-4a1f-b0ae-981daa162054](https://community.ibm.com/community/user/datamanagement/discussion/net-ibmentityframeworkcore-doesnt-support-ef-core-9?citationMarker=43dcd9a7-70db-4a1f-b0ae-981daa162054 "1")[43dcd9a7-70db-4a1f-b0ae-981daa162054](https://community.ibm.com/community/user/datamanagement/discussion/ibmentityframeworkcore-support-ef-core-9?citationMarker=43dcd9a7-70db-4a1f-b0ae-981daa162054 "2"). There hasn't been an official announcement regarding when the update will be available. Have you tried reaching out to support?