<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hey Ryan,<div class=""><br class=""></div><div class="">My understanding is that System Add-ons can use the SDK for the time being (post 57), but yeah, we certainly have to look at WebExtensions and figure out a migration strategy.</div><div class=""><br class=""></div><div class=""> <br class=""><div><blockquote type="cite" class=""><div class="">On Feb 13, 2017, at 3:25 PM, Ryan VanderMeulen <<a href="mailto:rvandermeulen@mozilla.com" class="">rvandermeulen@mozilla.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Given our stated plans of not supporting SDK addons with Fx57, what are the plans for moving to WebExtensions?<br class=""></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Mon, Feb 13, 2017 at 9:57 AM, Tim Spurway <span dir="ltr" class=""><<a href="mailto:tspurway@mozilla.com" target="_blank" class="">tspurway@mozilla.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">This is a notice of intent to implement the Activity Stream system add-on to supplant the current functionality on <a href="about:newtab" class="">about:newtab</a> and <a href="about:home" class="">about:home</a> in desktop Firefox.<br class="">
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Reference Links:<br class="">
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Meta Bug: <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1338514" rel="noreferrer" target="_blank" class="">https://bugzilla.mozilla.org/<wbr class="">show_bug.cgi?id=1338514</a><br class="">
Tracking Project: <a href="https://github.com/mozilla/activity-stream/projects/11" rel="noreferrer" target="_blank" class="">https://github.com/mozilla/<wbr class="">activity-stream/projects/11</a><br class="">
Wiki: <a href="https://wiki.mozilla.org/Firefox/Activity_Stream" rel="noreferrer" target="_blank" class="">https://wiki.mozilla.org/<wbr class="">Firefox/Activity_Stream</a><br class="">
Repo: <a href="https://github.com/mozilla/activity-stream" rel="noreferrer" target="_blank" class="">https://github.com/mozilla/<wbr class="">activity-stream</a><br class="">
Engineering OKRs: <a href="https://github.com/mozilla/activity-stream-okrs/projects" rel="noreferrer" target="_blank" class="">https://github.com/mozilla/<wbr class="">activity-stream-okrs/projects</a><br class="">
Activity Stream Dashboard: <a href="https://sql.telemetry.mozilla.org/dashboard/activity-stream-metrics-summary" rel="noreferrer" target="_blank" class="">https://sql.telemetry.mozilla.<wbr class="">org/dashboard/activity-stream-<wbr class="">metrics-summary</a><br class="">
Activity Stream Desktop Product MVP: <a href="https://docs.google.com/document/d/1lCdgLbF4z758SVD90BCFhZaaMT50Pz0tR5D0yCIVtro/edit#heading=h.jocwh3plp3c8" rel="noreferrer" target="_blank" class="">https://docs.google.com/<wbr class="">document/d/<wbr class="">1lCdgLbF4z758SVD90BCFhZaaMT50P<wbr class="">z0tR5D0yCIVtro/edit#heading=h.<wbr class="">jocwh3plp3c8</a><br class="">
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Overview:<br class="">
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Activity Stream is a Firefox <a href="about:newtab" class="">about:newtab</a> and <a href="about:home" class="">about:home</a> replacement that aims to help users return quickly and easily to contextually relevant stuff on the web. It is currently implemented as an Add-on SDK/Jetpack add-on, and has been running as a TestPilot experiment for some months.<br class="">
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Activity Stream is implemented in JS, and uses the React (<a href="https://facebook.github.io/react/" rel="noreferrer" target="_blank" class="">https://facebook.github.io/<wbr class="">react/</a>) UI library. The add-on reports UI telemetry pings back to Mozilla servers using ping-centre (<a href="https://github.com/mozilla/ping-centre" rel="noreferrer" target="_blank" class="">https://github.com/mozilla/<wbr class="">ping-centre</a>). There is a brief overview of it’s architecture on our Github page (<a href="https://github.com/mozilla/activity-stream/wiki" rel="noreferrer" target="_blank" class="">https://github.com/mozilla/<wbr class="">activity-stream/wiki</a>).<br class="">
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Activity Stream has been developed using a series of A/B test based experiments, both on an opt-in Test Pilot and an opt-out production Shield audience. Our methodology is to continue optimizing the user experience along the user engagement and user retention dimensions. The <a href="about:newtab" class="">about:newtab</a> and <a href="about:home" class="">about:home</a> pages that land in Firefox will be measurably more engaging than the existing experience.<br class="">
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Timeline:<br class="">
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We are currently in the process of landing the Activity Stream MVP to replace <a href="about:newtab" class="">about:newtab</a> and <a href="about:home" class="">about:home</a> in mozilla-central. Our target milestone is to land a fully functional MVP for Firefox 56 (by April 17, 2017)<br class="">
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Team:<br class="">
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Kate Hudson - Engineering<br class="">
Dan Mosedale - Engineering<br class="">
Ed Lee - Engineering<br class="">
Ursula Sarracini - Engineering<br class="">
Nan Jiang - Engineering<br class="">
Jared Kerim - Engineering<br class="">
Ricky Rosario - Engineering<br class="">
Marina Samuel - Data Analytics / Engineering<br class="">
Heather McGaw - User Research<br class="">
Bryan Bell - UX<br class="">
Aaron Benson - UX<br class="">
Amy Lee - UX<br class="">
Jenn Chaulk - Programme Management<br class="">
Nick Chapman - Product<br class="">
Chris Karlof - Director<br class="">
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______________________________<wbr class="">_________________<br class="">
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