Firefox Nightly News

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These Weeks In Firefox: Issue 112

Highlights Picture-in-Picture captions/subtitles support is now enabled by default on Nightly! Supported sites include YouTube, Netflix, Prime Video, and others that use WebVTT The Firefox Profiler supports date format changes … Read more

These Weeks in Firefox: Issue 105

Highlights Starting from Firefox 96, a new “browser.runtime.getFrameId” method allows an extension content script to retrieve the frameId associated to a WindowProxy of an embedder DOM element (e.g. frame, object … Read more