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Agenda discussion for public meeting on 2026-07-02

agendaDiscuss in future meetingsDiscuss in future meetings

Status: Open.

#1030 In w3c/webextensions;

· Rob--W opened on Jun 18, 2026

Proposal: Limits on how much data can be set or retrieved at once for extensions with unlimited storage

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: firefoxFirefox needs to assess this issue for the first timeFirefox needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

topic: storageIssues related to persisting data. Topics include browser.storage, web storage, and new APIs.Issues related to persisting data. Topics include browser.storage, web storage, and new APIs.

Status: Open.

#1028 In w3c/webextensions;

· kiaraarose opened on Jun 18, 2026

extension.inIncognitoContext inconsistencies

implemented: firefoxImplemented in FirefoxImplemented in Firefox

inconsistencyInconsistent behavior across browsersInconsistent behavior across browsers

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

spec clarificationNeeds clarification when specifiedNeeds clarification when specified

topic: private browsing

Status: Open.

#1026 In w3c/webextensions;

· carlosjeurissen opened on Jun 12, 2026

Request: Provide attach/detach event without debugger permission

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: firefoxFirefox needs to assess this issue for the first timeFirefox needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

Status: Open.

#1025 In w3c/webextensions;

· hilaryhacksel opened on Jun 12, 2026

Scoped CustomElementRegistry fails with "Illegal constructor" in isolated content scripts

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: firefoxFirefox needs to assess this issue for the first timeFirefox needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

topic: content scripts

topic: custom elements

Status: Open.

#1024 In w3c/webextensions;

· kyle7zhang opened on Jun 11, 2026

Service Worker / Event Page lifetime management during ongoing network requests (fetch / XHR)

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: firefoxFirefox needs to assess this issue for the first timeFirefox needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

topic: background scriptingRelated to background scriptsRelated to background scripts

Status: Open.

#1016 In w3c/webextensions;

· cyfung1031 opened on May 30, 2026

action.setBadgeXXXX lacks context isolation between normal and Incognito/private windows

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: firefoxFirefox needs to assess this issue for the first timeFirefox needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

topic: action

Status: Open.

#1015 In w3c/webextensions;

· cyfung1031 opened on May 30, 2026

AI inference in MV3 service workers: timeout interruption, no error signal, and the accessibility use case

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: firefoxFirefox needs to assess this issue for the first timeFirefox needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

topic: background scriptingRelated to background scriptsRelated to background scripts

Status: Open.

#1014 In w3c/webextensions;

· MarJone opened on May 28, 2026

Proposal: runtime.getVersionName() method

neutral: chromeNot opposed or supportive from ChromeNot opposed or supportive from Chrome

neutral: firefoxNot opposed or supportive from FirefoxNot opposed or supportive from Firefox

neutral: safariNot opposed or supportive from SafariNot opposed or supportive from Safari

Status: Open.

#1011 In w3c/webextensions;

· bershanskiy opened on May 26, 2026

Implement browser.menus.onShown

implemented: firefoxImplemented in FirefoxImplemented in Firefox

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

supportive: safariSupportive from SafariSupportive from Safari

topic: menusRelated to contextMenus and menusRelated to contextMenus and menus

Status: Open.

#1010 In w3c/webextensions;

· tophf opened on May 25, 2026

When a webpage creates a same-origin document (iframe/popup/tab) the content scripts at document_start must run before the main world sees the document

needs-triage: chromeChrome needs to assess this issue for the first timeChrome needs to assess this issue for the first time

needs-triage: firefoxFirefox needs to assess this issue for the first timeFirefox needs to assess this issue for the first time

needs-triage: safariSafari needs to assess this issue for the first timeSafari needs to assess this issue for the first time

topic: scripting

Status: Open.

#1009 In w3c/webextensions;

· tophf opened on May 25, 2026

Meta: w3c.github.io/webextensions is a 404

adminAdministrative tasks associated with organizing and conducting the group's workAdministrative tasks associated with organizing and conducting the group's work

Status: Open.

#1007 In w3c/webextensions;

· fregante opened on May 23, 2026