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Start steering users away from AddDbContext/OnConfiguring

area-dbcontext

needs-design

Status: Open.

Feature

#35481 In dotnet/efcore;

· roji opened on Jan 15, 2025

EF Core 11 release checklist

Status: Open.

Task

#37441 In dotnet/efcore;

· AndriySvyryd opened on Jan 3, 2026

Migrations script not using IDesignTimeDbContextFactory

area-tools

customer-reported

Status: Open.

Bug

#25053 In dotnet/efcore;

· vocko opened on Jun 8, 2021

EF Core migration drops existing index on a column when a composite filtered index on that column is added

area-model-building

customer-reported

Status: Open.

Bug

#24237 In dotnet/efcore;

· majidmo opened on Feb 23, 2021

Concurrent insert can cause AsSplitQuery to fail to populate unrelated child collections

area-query

customer-reported

Status: Open.

Bug

#33826 In dotnet/efcore;

· rosslovas opened on May 28, 2024

11.0 API Reviews

Status: Open.

Task

#37993 In dotnet/efcore;

· AndriySvyryd opened on Mar 24, 2026

ArgumentOutOfRangeException when adding a migration that expands the primary key of a table with seed data

area-migrations-seeding

customer-reported

Status: Open.

Bug

#35116 In dotnet/efcore;

· mtapis opened on Nov 15, 2024

Version 9.0.0-preview.7.24405.3 cannot Create Compiled Model for Property string Source {get; set;}

area-aot

area-model-building

customer-reported

Status: Open.

Bug

#34493 In dotnet/efcore;

· inforithmics opened on Aug 21, 2024

Running the EFCore.InMemory.FunctionalTests suite produces 22 errors in test cleanup

area-test

Status: Open.

#38558 In dotnet/efcore;

· ajcvickers opened on Jul 5, 2026