By putting Edge on Chromium and planning to invest in the engine, Microsoft is showing it is committed to the web as a platform for the future of apps
The move will allow deeper integration of Chromium and Chrome on Windows, which will lead to major improvements in performance and battery life.
Context & Ripple Effects
After days of leaks and confirmations — from the first reports of a Chromium-powered replacement for Edge to Microsoft's own announcements of rebuilding Edge on Chromium and bringing it to Windows 7, Windows 8, and macOS — this piece frames what the move actually signals: Microsoft treating the web, not EdgeHTML, as its long-term app platform. The companion coverage fills in the mechanics: Edge users will get access to Chrome extensions, while EdgeHTML and Chakra give way to Blink and V8.
First-order effects
- Edge users immediately gain the Chrome extension ecosystem, and Microsoft retires EdgeHTML and Chakra in favor of Blink and V8 — ending its own rendering-engine line.
Second-order effects
- Google's Chromium project gains Microsoft as an investor and contributor, so Microsoft's promised work on performance and battery life accrues to every Chromium-based browser, not just Edge.
Third-order effects
- With Microsoft abandoning its own engine, the browser market consolidates further around a single open-source codebase — raising the stakes for whoever funds Chromium's roadmap and shrinking the diversity of engines web developers need to test against.
The trend: Platform vendors are converging on shared open-source foundations for the web — building on Chromium rather than maintaining competing engines — which concentrates influence over the web's technical direction in fewer hands.