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Inconsistency: CSP compliance on frame navigation initiated by isolated worlds

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: 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.

#982 In w3c/webextensions;

· carlosjeurissen opened on Apr 15, 2026

Persist runtime.setUninstallURL() until update

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: 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: eventsIssues related to the registration, management, and dispatch of WebExtension events.Issues related to the registration, management, and dispatch of WebExtension events.

Status: Open.

#981 In w3c/webextensions;

· carlosjeurissen opened on Apr 14, 2026

Add web hooks for onDisabled and onUninstalled

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: eventsIssues related to the registration, management, and dispatch of WebExtension events.Issues related to the registration, management, and dispatch of WebExtension events.

Status: Open.

#980 In w3c/webextensions;

· carlosjeurissen opened on Apr 14, 2026

Agenda discussion for public meeting on 2026-04-23

agendaDiscuss in future meetingsDiscuss in future meetings

Status: Open.

#978 In w3c/webextensions;

· Rob--W opened on Apr 9, 2026

Add manifest key to allow devtools_page to run when inspecting service worker contexts

supportive: chromeSupportive from ChromeSupportive from Chrome

supportive: firefoxSupportive from FirefoxSupportive from Firefox

supportive: safariSupportive from SafariSupportive from Safari

Status: Open.

#976 In w3c/webextensions;

· oliverdunk opened on Apr 9, 2026

Have a way to install replacement web extension

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

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

Status: Open.

#974 In w3c/webextensions;

· carlosjeurissen opened on Apr 9, 2026

Proposal: Add isSigned boolean to MessageSender

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: messaging

Status: Open.

#973 In w3c/webextensions;

· bbruneau opened on Apr 8, 2026

Increase maximum number of disabled static rules from 5,000

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: dnrRelated to declarativeNetRequestRelated to declarativeNetRequest

Status: Open.

#972 In w3c/webextensions;

· ThomasGreiner opened on Apr 8, 2026

Proposal: browser.tabs.sendMessage(null, message, {documentId: "document-id"}) without tabId

supportive: chromeSupportive from ChromeSupportive from Chrome

supportive: firefoxSupportive from FirefoxSupportive from Firefox

supportive: safariSupportive from SafariSupportive from Safari

topic: messaging

Status: Open.

#971 In w3c/webextensions;

· carlosjeurissen opened on Apr 8, 2026

Should disabled extensions have their runtime.setUninstallURL opened on uninstall?

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

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

topic: eventsIssues related to the registration, management, and dispatch of WebExtension events.Issues related to the registration, management, and dispatch of WebExtension events.

Status: Open.

#970 In w3c/webextensions;

· justinlulejian opened on Apr 3, 2026

Extension API to explicitly create split views or unsplit them

discussionNeeds further discussionNeeds further discussion

Status: Open.

#967 In w3c/webextensions;

· Rob--W opened on Mar 26, 2026

Auto-pinning of the extension icon only on specific sites

discussionNeeds further discussionNeeds further discussion

inconsistencyInconsistent behavior across browsersInconsistent behavior across browsers

topic: action

topic: installation

Status: Open.

#966 In w3c/webextensions;

· tophf opened on Mar 18, 2026