Firefox/Meeting/23-Mar-2021

Today’s meeting leader is: mtigley

Friends of the Firefox team

Fixed more than one bug

• Andrei Petcu [:petcuandrei]
• Erica Wright [:ewright]
• Sebastian Zartner [:sebo]
• Tim Nguyen :ntim
• Tom Schuster [:evilpie]

New contributors (🌟 = first patch)

• 🌟 Karthik Sundar [karthiksundar30092002] fixed a UI issue where expanding objects in the DevTools console made them jump around (Bug 1608571)
• 🌟 David [heftydav] fixed an issue where the Picture-in-Picture icon will disappear when dragging the tab to a new window (Bug 1669205)
• 🌟 Henry Vincent [henryvincent33] fixed a typo in an error message created by DevTools’ Front class (Bug 1699146)
• 🌟 Renuka Bhure [bhurerenuka14] replaced BrowserTestUtils.waitForCondition with TestUtils.waitForCondition in browser_deleteLogin.js (Bug 1698812)
• 🌟 Sneha sai KNVS [snehaa2296] replaced BrowserTestUtils.waitForCondition with TestUtils.waitForCondition in browser_protectionsUI_report_breakage.js (Bug 1698076)

Project Updates

Add-ons / Web Extensions

Addon Manager & about:addons

• Mark adjusted addon signature warning messagebar to make it easier to read on hover (Bug 1694428)

WebExtensions Framework

• Fission-related fixes:

  • Fix DocumentChannel process switching on sidebar and popup extension pages (Bug 1646817)

  • Logging a deprecation warning on extensions using fission-incompatible canvas drawWindow (Bug 1696976)

  • As also described in the warning, extensions should use Use tabs.captureTab extensions API instead (which is fission compatible)
  • Support for OOP iframes in webNavigation.getAllFrames (Bug 1698398)

• Starting from Firefox 88 Services is exposed by default in all WebExtensions API scripts (included the experimental APIs embedded in privileged and builtin addons) - Bug 1698158:

  • Be aware of potential intermittent conflicts if the same global is defined in conflicting ways in experimental APIs part of the same addon (see Bug 1697404 comment 3 and Bug 1697404 comment 4)
  • Added some notes to the in tree docs

WebExtension APIs

• As part of the FTP removal in Firefox 88 (Bug 1626365):
  • browserSettings.ftpProtocolEnable becomes read only
  • “ftp” has been added to the list of allowed protocols that extension can register as a protocol handler
  • in the proxy WebExtensions API, proxying ftp is deprecated

Developer Tools

• Bug 1615242 - Stop uploading DevTools docs on docs.firefox-dev.tools
  • New community site design: https://firefox-dev.tools/
  • DevTools contributor docs: https://firefox-source-docs.mozilla.org/devtools/
• Bug 1693147 - Use toggle button for switching between raw and formatted request view (contributed by :sebo). Screenshot online
• Fission M7 All bugs completed

Fission

• Decided not to fix the disabled WebPayments UI for fission.
• Closed the frontend fission metabug! 🎉🎉🎉🎉🎉🎉🎉
• Fission beta experiments will start this week (Firefox 88)

Installer & Updater

Background update agent work continues:

• bytesized Bug 1483399 - Add option in preferences to disable Background Update Agent
• bytesized Bug 1691495 - Add policy/policies for `app.update.background.enabled`
• bytesized Bug 1697924 - Migration of app.update.auto incorrectly migrates `false` when there is no un-migrated pref
• nalexander Bug 1687783 - macOS OS-level task scheduler component
• nalexander Bug 1694515 - Add background task utilities for locking and reading prefs and other data from particular profiles

Lint

If you run `./mach lint` in the top-level directory of a repository, with no paths specified, it will now default to `--outgoing --workdir`, rather than doing a full lint.

Messaging System

• Support showing different about:welcome default experiences based on some targeting, e.g., Windows build version, that can still be remotely configured
• Various fixes in preparation for rapid turnaround from 87 release “Pin” experiment during 88 beta: landing strings, mac size regression, icon disappearing