KB4559309 was rolled out in June, it's the cumulative update that replaced the old EdgeHTML-based Edge browser with the new Chromium-based release.
Microsoft pulls KB4559309 after PC slowdown complaints
Posted on Wednesday, September 23 2020 @ 14:12 CEST by Thomas De Maesschalck
KB4559309 was rolled out in June, it's the cumulative update that replaced the old EdgeHTML-based Edge browser with the new Chromium-based release.