Jiri Cincura, Firebird .NET driver devloper, says:

I’m excited to announce the release of Entity Framework Core 10 provider for Firebird.

Shout out to @niekschoemaker who did most of the work.

Overview of all the changes can be found in here 

and you can get the bits from NuGet FirebirdSql.EntityFrameworkCore.Firebird

https://www.tabsoverspaces.com/233960-entity-framework-core-10-provider-for-firebird-is-ready