I cannot speak for Mozilla, but as I see they implemented it and
supported the WHATWG change:
registerProtocolHandler() is not supported there are various old
bugs and threads ( https://bugs.webkit.org/show_bug.cgi?id=92726
). IIUC the WebKit people would like to keep the list minimal.
-- Frédéric Wang
> Matrix is an open and secure communication protocol, designed for an
open federation of servers, much like e-mail or xmpp.
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Thanks for the LGTMs!Here is a better justification for why matrix should be allowed in registerProtocolHandler:The matrix URI scheme allows for rich context to be passed to a multitude of Matrix client websites, such as Fluffychat. As Chris pointed out, there is a large number of matrix users. The HTML spec PR has comments and reactions from several users and the matrix-doc repo has >500 stars.> Based on that, LGTM1 to ship, contingent on asking Webkit for a signal. Joey can you do that?I noticed that the HTML spec PR says that WebKit doesn't support registerProtocolHandler in the first place.I found a WebKit bug about registerProtocolHandler including a negative comment about the feature.I also found a webkit-dev thread about registerProtocolHandler which doesn't appear to include any positive remarks from WebKit maintainers.As far as I can see, nobody has ever asked for WebKit's support regarding a particular safelisted scheme as this intent is concerned with. Should I email webkit-dev just for matrix support, even though they don't seem interested in registerProtocolHandler in the first place...?