Firefox Headlines (October 10, 2018)
Mike Conley
mconley at mozilla.com
Wed Oct 10 14:17:34 UTC 2018
Hello, team!
Yesterday, the Firefox Desktop team got together and chatted about the
latest happenings in the codebase. Here are our notes, with some curated
highlights!
Special thanks to Johann Hofmann and Mike de Boer who put these notes
together with me.
Highlights
-
Nightly now has greatly improved DevTools performance
<https://bugzilla.mozilla.org/show_bug.cgi?id=1494162> - we’re at an all
time low for the Inspector open/reload time
<https://firefox-dev.tools/performance-dashboard/tools/inspector.html?days=30&filterstddev=true&ignoreFlags=true>
!
-
New tool in the Accessibility DevTools pane
<https://bugzilla.mozilla.org/show_bug.cgi?id=1473037> - you can now see
contrast ratio and other information for text/background colors on hover
when selecting elements in the Accessibility Inspector
-
[Screenshot]
<https://screenshotscdn.firefoxusercontent.com/images/2238a27c-ab55-4a0a-ad25-fae8006eab45.png>
-
WebExtensions can now create DevTools sidebar panes
<https://bugzilla.mozilla.org/show_bug.cgi?id=1398734>
-
[Screenshot]
<https://screenshotscdn.firefoxusercontent.com/images/b27761ae-2901-433e-b016-193efcac1d01.png>
-
Firefox Monitor launched <https://monitor.firefox.com/>! This is a
privacy-conscious service that lets you see if you were part of any recent
data breaches. Read more here!
<https://blog.mozilla.org/blog/2018/09/25/introducing-firefox-monitor-helping-people-take-control-after-a-data-breach/>
-
Did you know that much of the Firefox Front-end is written in
JavaScript? We wrote a post about how we use open-source tools like
ESLint to keep that JavaScript clean
<https://www.thebanners.uk/standard8/2018/10/03/whats-next-for-eslint-on-firefox-source-code/>
.
-
We also have a roadmap
<https://docs.google.com/document/d/1ORqed8SW_7fPnPdjfz42RoGfWH5Gn4RMKKFPaPrGpZo/edit>
to migrate more of our front-end to standard web technologies
-
Firefox for Fire TV
<https://www.amazon.com/Amazon-Fire-TV-Family/b?ie=UTF8&node=8521791011>
v3.0, featuring Pocket video recommendations, has been submitted to the
Amazon App Store and should release soon
-
Firefox for Echo Show releases soon on the new 2nd generation Echo Show
device
<https://arstechnica.com/gadgets/2018/10/echo-show-2018-review-more-to-tap-more-to-see-more-to-do/>
Friends of the Firefox teamResolved bugs (excluding employees)
<https://mzl.la/2C5lg28>
-
Fixed more than one bug
-
Abdoulaye O. LY
-
Sean Reeise [:sreeise]
-
Tim Nguyen :ntim
-
Tomislav Jovanovic :zombie
-
New contributors (🌟 = first patch)
-
🌟 Markus Staab [:maggus.staab] removed two
<https://bugzilla.mozilla.org/show_bug.cgi?id=1491784> expensive
<https://bugzilla.mozilla.org/show_bug.cgi?id=1491786> selectedItem
getter accesses in the tabbed browser.
-
🌟 Amir fixed a bug
<https://bugzilla.mozilla.org/show_bug.cgi?id=1469533> where the
Network Monitor would mangle the display of the response body
-
🌟 Raza Haider ported about:restartrequired
<https://bugzilla.mozilla.org/show_bug.cgi?id=1488788> to Fluent
-
Jason Chapin made the naming
<https://bugzilla.mozilla.org/show_bug.cgi?id=1451715> of some
SessionStore.jsm methods clearer
-
🌟 kenokamo fixed the contrast of the Tracking Protection icon
<https://bugzilla.mozilla.org/show_bug.cgi?id=1487602> in the Network
Monitor
-
🌟 lennonj1 ported about:config
<https://bugzilla.mozilla.org/show_bug.cgi?id=1486936> to Fluent
-
Lucas Luna Souza fixed the Network Monitor
<https://bugzilla.mozilla.org/show_bug.cgi?id=1472875> so that it
also displays the HTTP response code text
-
🌟 meag.harty fixed a bug
<https://bugzilla.mozilla.org/show_bug.cgi?id=1492730> where the
Network Monitor wouldn’t let you Edit and Resend an XHR when filtering
requests by XHR
Project UpdatesAdd-ons / Web Extensions
-
Search engines are being converted to WebExtension style packaging (tracker
bug <https://bugzilla.mozilla.org/show_bug.cgi?id=1486811>)
-
about:addons is getting some visual tweaks
<https://bugzilla.mozilla.org/show_bug.cgi?id=1489296>.
-
Content scripts can now read
<https://bugzilla.mozilla.org/show_bug.cgi?id=1484980> from a <canvas>
that they have modified.
-
Small fixes/improvements to the identity
<https://bugzilla.mozilla.org/show_bug.cgi?id=1494328> and menus
<https://bugzilla.mozilla.org/show_bug.cgi?id=1416839> APIs.
Browser Architecture
<https://mozilla.github.io/firefox-browser-architecture/>
-
Tree replacement plan
<https://docs.google.com/document/d/1lrWIAKTGfyO8_FaAScUc9V57jyZdM-odig00MmFh9HA/edit>
Developer Tools
-
📲 Remote Debugging: you can now connect to remote tabs on devices (set
devtools.aboutdebugging.new-enabled to true, install the ADB extension,
connect your phone, open about:debugging).
-
⚛ DevTools Fission: work continues to refactor the devtools remote
protocol transport layer in order to make transitioning to Fission easier
(check out the enormous bug dependency tree
<https://bugzilla.mozilla.org/showdependencytree.cgi?id=1451861&hide_resolved=0>
).
-
🐛 Debugger:
-
Quality and stability: improving Step Out
<https://bugzilla.mozilla.org/show_bug.cgi?id=923975> (to avoid
having to click several times), maintaining the expanded state
<https://bugzilla.mozilla.org/show_bug.cgi?id=1491471> for variables
while stepping, auto-expanding the source file currently open in the
Sources pane.
-
New features in development: column breakpoints
<https://github.com/devtools-html/debugger.html/pull/7064> and XHR
breakpoints <https://bugzilla.mozilla.org/show_bug.cgi?id=821610>.
-
Prototypes
<https://docs.google.com/document/d/14thb3-VusWtPN8Co1MERbvIupq7ZUs_CCv9Yoq3CJOw/edit>
ongoing for WebReplay in DevTools (note that WebReplay is ON in nightly!)
-
💻 Console: The "Boogaloo" project completed <https://mzl.la/2scfkO5>:
JSTerm (the console's input bar) is now more powerful and easy to use
(syntax highlighting, in-line style, top-level await, autocompletion
improvements, history reverse search).
-
🖌 Design Tools:
-
You can now overlay multiple CSS grids at the same time (bug 1317102
<https://bugzilla.mozilla.org/show_bug.cgi?id=1317102>).
-
The new flexbox item sizing tool is shaping up really nicely (share
the love on twitter
<https://twitter.com/patrickbrosset/status/1048216264928362496>, bug
1478396 <https://bugzilla.mozilla.org/show_bug.cgi?id=1478396>).
-
And we're working hard on landing our first version of CSS changes
tracking in the inspector
<https://bugzilla.mozilla.org/show_bug.cgi?id=1429247>.
Fission
-
Added a mechanism to simulate Fission for current frame scripts and
actors <https://bugzilla.mozilla.org/show_bug.cgi?id=1490810> depending
on events, allowing us to write Fission-compatible code and later prevent
the landing of Fission-incompatible code
-
Created a patch to simulate a potential Fission API for the parent
process to communicate with child actors
<https://bugzilla.mozilla.org/show_bug.cgi?id=1493984>, for a similar
reason as above
-
Built a proof of concept
<https://bugzilla.mozilla.org/show_bug.cgi?id=1497280> for the Fission
API above for the DateTimePicker
Lint <https://firefox-source-docs.mozilla.org/tools/lint/index.html>
-
ESLint now uses node from the .mozbuild directory if it is present there
<https://bugzilla.mozilla.org/show_bug.cgi?id=1482435> (if you’ve run
bootstrap recently).
-
Preparing to land comma-dangle for the rest of mozilla-central
<https://bugzilla.mozilla.org/show_bug.cgi?id=1486741> next week (Fri
20th Oct)
-
We also have various mentored bugs underway for enabling ESLint on more
test directories (e.g. parts of docshell
<https://bugzilla.mozilla.org/show_bug.cgi?id=1496082> + dom
<https://bugzilla.mozilla.org/show_bug.cgi?id=1423843>)
Mobile
-
Firefox for iOS 14 is on it’s way to the App Store. The second release
candidate will go out to QA in the week of the 8th for final verification.
-
Android Components 0.25 shipped. Highlights of this release:
-
Improvements
-
We have a new component feature-intent that provides intent processing
functionality.
-
Added WorkManager implementation for updating experiment configurations
in the background.
-
Fixes
-
Fullscreen mode would only take up part of the screen.
-
A crash that could happen when loading invalid URLs
-
A bug in FlatFileExperimentStorage that caused updated experiment
configurations not being saved to disk.
-
More here at the changelog
<https://mozilla-mobile.github.io/android-components/changelog/>
Performance
-
florian
-
New about:performance UI has been enabled by default in Nightly
<https://bugzilla.mozilla.org/show_bug.cgi?id=1496506>!
-
File bugs in Toolkit :: Performance Monitoring
<https://bugzilla.mozilla.org/enter_bug.cgi?product=Toolkit&component=Performance%20Monitoring>
-
These are the about:performance mock-ups
<https://mozilla.invisionapp.com/share/SDOE65KGU2Z#/screens/323554995>
for what we hope to eventually ship to release users.
-
Shows an Energy Impact score in abstract units per tab / script /
add-on
-
Allows user to close the tab, and in the future pause its
JavaScript execution
-
Gijs
-
Further work to avoid spurious about:blank creation
<https://bugzilla.mozilla.org/show_bug.cgi?id=1493606>
-
Made nsISecureBrowserUI::Init take a docshell
<https://bugzilla.mozilla.org/show_bug.cgi?id=1493655> instead of
a content window
-
Working to make the docshell responsible for determining a
window's outerWindowID
<https://bugzilla.mozilla.org/show_bug.cgi?id=1493634>, so we don't
have to end up creating an about:blank window just to get it
<https://bugzilla.mozilla.org/show_bug.cgi?id=1496360>
(outerWindowID will remain on window, but is also now on the docshell)
-
Fixed an error in BrowserWindowTracker
<https://bugzilla.mozilla.org/show_bug.cgi?id=1493628> where it
was not properly accounting for Browser::Init messages being from
background windows
-
Bunch of investigation
<https://bugzilla.mozilla.org/show_bug.cgi?id=1492480> (thanks
Neil!) in focus issues on Linux that reared their head with some/all
attempts to reduce about:blank creation. Going to keep going
with addressing
this in tests
<https://bugzilla.mozilla.org/show_bug.cgi?id=1497364>.
-
Also looking to make sure our IME code doesn’t cause focus entering
input/textarea/contenteditables to flush layout
<https://bugzilla.mozilla.org/show_bug.cgi?id=1358813>.
-
mconley
-
Working on separating the Activity Stream content process
<https://bugzilla.mozilla.org/show_bug.cgi?id=1472212>. This will let
us take advantage of the ScriptPreloader work that imjching worked on
during his internship.
-
Stopped sending CPOWs from RemoteWebProgress.jsm
<https://bugzilla.mozilla.org/show_bug.cgi?id=1492482>
-
Made RemoteWebProgressManager survive content process switches
<https://bugzilla.mozilla.org/show_bug.cgi?id=1496848>
-
Have patches up to gut browser-tabsintitlebar.js of layout logic
<https://bugzilla.mozilla.org/show_bug.cgi?id=1356920>, and put most
of the onus on the Gecko Layout engine to put the tabs in the titlebar
-
dthayer
-
Working on splitting our input to WebRender into multiple documents /
render roots <https://bugzilla.mozilla.org/show_bug.cgi?id=1441308>,
allowing us to eventually output these to separate framebuffers which we
can hand to the OS compositor, allowing us to not have to paint the whole
window every time something in the chrome changes / animates
-
Fixed a tab switch regression blocking the process priority manager
<https://bugzilla.mozilla.org/show_bug.cgi?id=1495032>. Hoping to enable
process deprioritization on Windows in Nightly shortly
<https://bugzilla.mozilla.org/show_bug.cgi?id=1476981>, allowing us
to deprioritize processes of background tabs
-
Sorted out a kink with deferring InitOSFileConstants' startup IO
<https://bugzilla.mozilla.org/show_bug.cgi?id=1388134>, due to
off-main-thread use of nsDirectoryService, which maintains a
non-thread-safe cache
-
Wrote a blog post about the Client Storage work on macOS
<https://dthayerblog.wordpress.com/2018/09/21/client-storage-on-osx/>
Policy Engine
-
New Policy for Security Devices (PKCS #11) landed
-
New Policy for DNS Over HTTPS being reviewed
-
Up Next:
-
Installing certificates
-
Browser Startup Page
-
Changing Locale
-
Plan is for all policy changes to be in by the end of the week
Search and Navigation <https://wiki.mozilla.org/Firefox/Search>Address Bar
& Search
-
Bookmarked origins are now autofilled
<https://bugzilla.mozilla.org/show_bug.cgi?id=1493636> regardless of
their visited status
-
Fixed autofill when only bookmarks
<https://bugzilla.mozilla.org/show_bug.cgi?id=1489060> should be
suggested
-
Fixed a problem with highlighting
<https://bugzilla.mozilla.org/show_bug.cgi?id=1491724> search engine
aliases in the Address Bar
-
Fixed a bug where scrolling in the search bar
<https://bugzilla.mozilla.org/show_bug.cgi?id=1496478> may change the
current search engine
Places
-
Reduced history I/O when the same page
<https://bugzilla.mozilla.org/show_bug.cgi?id=1489503> is refreshed by a
call to location.hash and the page title doesn’t change
Web Payments <https://wiki.mozilla.org/Firefox/Features/Web_Payments>
-
Completed our Milestone 3 at the end of Q3!
-
Planning to enable Payment Request with basic-card on Nightly in the
next week or so for en-US builds in the US and CA
<https://bugzilla.mozilla.org/show_bug.cgi?id=1481971>
-
Started Milestone 4 this week with the goal of completion by end of Q4.
Priorities are: the tab modal payment sheet, handling spec additions (e.g.
retry, merchant field-specific errors, and new events) and error handling
-
Completed
-
Prefs
-
Link to Firefox Options/Preferences from the PaymentRequest dialog
<https://bugzilla.mozilla.org/show_bug.cgi?id=1432939>
-
Update the Preferences text and layout for Web Payments
<https://bugzilla.mozilla.org/show_bug.cgi?id=1470184>
-
Change PaymentRequest UI to support users retrying upon payment
failure <https://bugzilla.mozilla.org/show_bug.cgi?id=1435163>
-
Add tooltip beside 'save to Firefox' checkbox
<https://bugzilla.mozilla.org/show_bug.cgi?id=1470168>
-
Save/Next button Refinements
<https://bugzilla.mozilla.org/show_bug.cgi?id=1473662>
-
Credit card network logos
-
Show card network logos on the card add/edit screens
<https://bugzilla.mozilla.org/show_bug.cgi?id=1477102>
-
Use card network icons in manage credit cards list
<https://bugzilla.mozilla.org/show_bug.cgi?id=1495530>
-
Add the CVV security code field to the add card form and make it
required in all places
<https://bugzilla.mozilla.org/show_bug.cgi?id=1490805>
-
Remove Custom Elements polyfill from Web Payments UI
<https://bugzilla.mozilla.org/show_bug.cgi?id=1496698>
-
In Progress
-
-
Tab-modal Payment Request sheet
-
CVV Tooltip
-
"Forms & Autofill" about:preferences regression
Below the fold
-
[mconley] MyQOnly
<https://addons.mozilla.org/en-US/firefox/addon/myqonly/> (WebExtension
that puts review count in the browser toolbar)
-
Updated to use pagescraping for Phabricator, which should give you
much more accurate results (there were some cases that would fall
through <https://github.com/mikeconley/myqonly/issues/2>)
-
Source <https://github.com/mikeconley/myqonly/>. Pull requests and
issues welcome.
-
[mconley] In this recent bug
<https://bugzilla.mozilla.org/show_bug.cgi?id=1496848>, I made
RemoteWebProgressManager transfer listeners between process flips
-
This means that nsIWebProgressListener’s attached to <xul:browser>
will survive remote-to-remote process flips. But they’re lost as soon as
they cross the remote-non-remote boundary.
-
(from Mossop and Gijs) - If you need a true binary file, TextDecoder
does NOT work. Use File.createFromNsIFile(certfile) and then a FileReader
(reader.readAsBinaryString(file)) [mkaply]
This information, including all of the previous updates, are fully
available in this doc:
https://docs.google.com/a/mozilla.com/document/d/1u9YH3ULNRYg6G-fN-Udkvfkcvg0alJfzi_zIAfFNkL8/edit?usp=sharing
Also note that I'm really just synthesizing and humanizing the stuff that's
on the Wiki, which is freely available from here:
https://wiki.mozilla.org/Firefox/Meeting, so check that out if you want the
source material. It'll also be posted (minus the Below the Fold stuff) to
the Nightly blog.
Finally, if there's a Firefox-ish team that you feel isn't being
represented here, please let them know about the above meeting so we can
get their updates.
Keep on rockin' the free web,
-Mike
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