Mozilla Firefox Quantum V66.0.5 < Updated >

As part of the broader Firefox 66 release, this version includes:

Automatically prevents websites from playing sound-enabled media. Mozilla Firefox Quantum v66.0.5

Prevents web pages from "jumping" while images and advertisements load. As part of the broader Firefox 66 release,

Allows users to authenticate on websites using facial recognition or fingerprints on Windows 10. System Requirements Firefox 66.0.5 System Requirements released on May 7

Mozilla Firefox Quantum v66.0.5, released on May 7, 2019, was a critical point update primarily focused on resolving a significant bug that caused browser extensions to be disabled.