See http://blogs.windows.com/msedgedev/2015/07/14/bringing-componentization-to-the-web-an-overview-of-web-components/ (part 1) and https://blogs.windows.com/msedgedev/2015/07/15/microsoft-edge-and-web-components/ (part 2) for more information on our Web Components thoughts, plans, and roadmap.
Microsoft should just use Chromium and Unix. What a waste of company resources, only to produce sub-standard products.
The details and summary elements are now on the Microsoft Edge backlog with a priority of medium. You can track status changes at https://dev.modern.ie/platform/status/detailssummary/
Microsoft Edge is on the edge of failure by implementing useless **** instead of the things we need, such as this.
Firefox is adding support in v49, leaving Microsoft browsers the only one with no support. Hurry up.
The :has() pseudo-class is now on the Microsoft Edge backlog. You can track status updates at https://dev.modern.ie/platform/status/cssrelationalpseudoclasshas
CSS Clip Path is currently on the backlog with medium priority. The status can be tracked along with CSS Masking at https://developer.microsoft.com/en-us/microsoft-edge/platform/status/masks/
This feature allows us to nicely use SVG for icons that need to change color. Icon fonts are plagued with issues.
Microsoft is the only vendor that hasn't provided any support.
This is now tracked on our status page at https://dev.modern.ie/platform/status/backdropfilter/
A seriously cool [and useful!] effect that needs industry momentum.
Ambient Light Events are in development! Keep track of the latest at: https://status.modern.ie/ambientlightevents
Why does this feature, with 140 votes, get a "working on it" status before other features with thousands more votes? Edge is still IE.
SVG2 is now on the Microsoft Edge backlog. You can track status updates at https://dev.modern.ie/platform/status/svg2/
mix-blend-mode has been added to our backlog – https://dev.modern.ie/platform/status/mixblendmode/
This is on the backlog with a medium priority: http://dev.modern.ie/platform/status/masks