February 15, 2022—KB5010421 (OS Build 20348.558) Preview

Provides the ability to share cookies between Microsoft Edge Internet Explorer mode and Microsoft Edge. Addresses an issue that causes Microsoft Edge Internet Explorer mode to stop working when you press the F1 key. Addresses an issue that affects dialog boxes in Microsoft Edge Internet Explorer mode.

https://support.microsoft.com/en-us/topic/february-15-2022-kb5010421-os-build-20348-558-preview-1475723b-9666-415d-a510-e849e9d23425