The Microsoft April 2021 security updates have been released.
The updates apply to a long list of products listed here: https://msrc.microsoft.com/update-guide/en-us/releaseNote/2021-Apr
Of these the latest Common Vulnerabilities and Exposures (CVE’s), 19 are rated Critical, 89, and 1 is rated Important in severity. Six additional bugs impact Chromium-based Edge. The updates released today will automatically remove Edge Legacy which is out of support and replace it with the new Chromium-based Edge. In the event you still use legacy Edge or if you have blocked the Chromium Edge update using group policies/registry hacks, those settings will be ignored and the legacy version will be removed automatically.