If you believe you have an issue that affects the security of the platform, please email your issue to secure@microsoft.com. You may even be eligible for our bug bounty by doing this.
If you encounter a bug while using the product or would like to request a new feature, please submit an issue on our GitHub repository.
We strive to maintain comprehensive documentation for Entity Framework Core. If the topic you're looking for isn't covered, please let us know on the aspnet/EntityFramework.Docs repository.
If you have a specific question about using the product, we encourage you to ask it on Stack Overflow.
Entity Framework Core is covered by Microsoft's .NET Core Support Policy. If you've tried all the optoins above and are still looking for help, you may wish to contact a Microsoft Support professional. Please note that personal help may incur a fee.