Firefox Nightly News

Highlights Activity Stream now lets you set a custom thumbnail for Top Sites! The doorhanger for an extension-controlled homepage now links to a SUMO article, and the doorhanger for an … Read more

Highlights Help us eliminate annoying in-content popups by installing this add-on and reporting when pages display an in-content popup like this: Tab warming has (finally!) been enabled on Nightly This … Read more

Highlights Added section context menus to Activity Stream, allowing for more in-page customizations like reordering. Heads up: The Symantec CA distrust policy action is underway in Nightly. This policy is … Read more

Highlights The WebExtension theme API now supports specifying colors for frame_inactive, tab_loading, icons and icons_attention, button_background, button_background_hover and button_background_active, toolbar_field_separator. We’re experimenting with “early blank first paint” to improve perceived … Read more

Highlights A lot of fixes for Activity Stream drag and drop landed, improving the overall experience! The WebExtension tabs API now supports a hide and a show method, to hide … Read more

Highlights The next ESR will be Firefox 60, and will come with the Policy Engine to make it easier to configure mass Firefox installs in an enterprise environment. Firefox for … Read more

Highlights Check out the blog post on hacks.mozilla.org on using the new theming API in Firefox evanxd added a spotlight feature to Preferences so that it’s easier for “help” links … Read more

Highlights We turned on Pocket local personalization by default which takes the generic story feed and adjusts the ordering based on client-side computation of history / impressions. The Flash Click-to-Play … Read more

Highlights Data preference changes have been streamlined in 58, and segmented into release and prerelease data. Nihanth enabled the vibrancy effect from the default theme in the light theme on … Read more

Highlights Prathiksha moved the pop-up blocked icon/menu from the urlbar to the identity block/identity pop-up (the notification bar for blocked popups is still there). Please read our plans for removing … Read more

Highlights A browser.tabs.tabMinWidth preference has been added to control the minimum tab width before overflow, and the default was then set for 50. More recently, this default has changed to … Read more