Having not heard any show-stopping concerns with the plan we will start to
proceed with it. In Q4 we intend to:
- Migrate a few bindings and update the plan based on what we learn
- Land XUL support for Custom Elements
- Create tooling to make converting bindings easier
- Begin a bug breakdown for individual bindings
You can follow this work at the meta bug 1397874. Bgrins has made a
public blog post about our plans[1], please reach out to him if you’re
interested in contributing.
[1] https://briangrinstead.com/blog/xbl-in-firefox/
On Fri, Oct 20, 2017 at 10:47 AM Dave Townsend <dtowns...@mozilla.com>
wrote:
> For some time now we've been talking about moving away from XUL and XBL.
> The browser architecture team has been hard at work figuring out how to
> go about doing that and we're ready to share the first of our proposals
> more widely. We have developed a plan to remove XBL from Firefox. It's been
> through a successful design review with some of the key engineers and now
> is the time for more comments if you have them. We're planning to start some
> of the work this quarter with it really ramping up next quarter.
>
> Take a look at the plan
> <https://mozilla.github.io/firefox-browser-architecture/text/0007-xbl-design-review-packet.html>
> and let us know what you think. There are a couple of areas where we are
> still investigating concerns:
>
> Performance is of key interest, so we're actively doing experiments to
> validate that Custom Elements can be as performant as XBL
> <https://bugzilla.mozilla.org/show_bug.cgi?id=1387125>.
> The plan relies on being able to use Custom Elements in XUL, so we're
> working on getting a patch
> <https://bugzilla.mozilla.org/show_bug.cgi?id=1404420>for that landed
> <https://bugzilla.mozilla.org/show_bug.cgi?id=1404420>.
> We have a list of <tree> elements in the product and we're evaluating what
> the future is for them.
>
> Are there any other concerns that we're missing?
>
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