From ba42187e1e1941cbeb8b8749dad08ee3f3d8a576 Mon Sep 17 00:00:00 2001 From: Brian Smith Date: Fri, 11 Sep 2026 16:34:21 +0200 Subject: [PATCH] feat: release notes for 156 --- release-notes/firefox.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/release-notes/firefox.md b/release-notes/firefox.md index 794c29a..99c1315 100644 --- a/release-notes/firefox.md +++ b/release-notes/firefox.md @@ -3,6 +3,27 @@ # Firefox release notes for enterprise admins +## 156 + +_Upcoming, expected 15 September 2026._ + +These changes apply to Firefox 156 and Firefox ESR 153.3.0 unless explicitly stated. +Firefox ESR 153 is the current ESR. + +### Changes + +- [`FirefoxHome`](/reference/policies/firefoxhome/): Added a `Widgets` option to turn the new tab widgets on or off with `Enabled`, and to block individual widgets by ID with `Blocked`. ([bug 1980406](https://bugzil.la/1980406)) +- [`SitePolicies`](/reference/policies/sitepolicies/): Added a `DisableServiceWorkers` option to stop specific sites from registering or using service workers. Firefox 156 only. ([bug 2045811](https://bugzil.la/2045811)) +- [`DisableLaunchOnLogin`](/reference/policies/disablelaunchonlogin/): Now applies on macOS as well as Windows, following the macOS launch on login implementation. Does not apply to the ESR. ([bug 2053447](https://bugzil.la/2053447)) + +### Fixes + +- [`DefaultBrowserSettingEnabled`](/reference/policies/defaultbrowsersettingenabled/): Firefox startup and in-product set-as-default actions did not honor the default browser policies. ([bug 2065138](https://bugzil.la/2065138)) +- [`Cookies`](/reference/policies/cookies/): Page Info did not consistently disable cookie permission controls that were set by policy, for both a locked cookie behavior and the `Block` list. ([bug 2061452](https://bugzil.la/2061452)) +- [`DisablePrivateBrowsing`](/reference/policies/disableprivatebrowsing/): The "New Private Window" item was still shown in the menubar File menu. ([bug 2063975](https://bugzil.la/2063975)) +- [`InstallAddonsPermission`](/reference/policies/installaddonspermission/): The "Discover extensions" button in the extensions panel was not hidden when installs were blocked. Firefox 156 only. ([bug 2041238](https://bugzil.la/2041238)) +- [`FirefoxHome`](/reference/policies/firefoxhome/): Controls in the new tab customize panel are now disabled when the corresponding preference is locked. Firefox 156 only. ([bug 1983258](https://bugzil.la/1983258)) + ## 155 _Released 1 September 2026._