v13.0.0

Full Changelog: v12.5.0...v13.0.0

• Added support for .NET Standard 2.0
• Requiring license key
• Moving from Apache license to dual commercial/OSS license

To set your license key:

services.AddMediatR(cfg => {
    cfg.LicenseKey = "<License key here>";
});

You can obtain your license key at MediatR.io