Mozilla Firefox Quantum V66.0.5 (480p | 720p)

A new ability to search through all open tabs via the tab overflow menu.

The primary fix in v66.0.5 addressed a remaining issue where web extensions were still disabled for users with a master password set. Mozilla Firefox Quantum v66.0.5

Automatically prevents websites from playing sound-enabled media. A new ability to search through all open

Prevents web pages from "jumping" while images and advertisements load. Mozilla Firefox Quantum v66.0.5