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Mozilla Releases Firefox 66.0.4 for PCs and Android to Fix Major Add-Ons Issue

By Marius Nestor

On May 3rd, Mozilla was made aware of a critical bug in the latest Firefox 66.0.3 release of its popular web browser for desktops and mobile platforms, which apparently prevented new and existing add-ons, themes, search engines, and language packs from being installed or run. Mozilla immediately took action and pushed a temporary fix via OTA (Over-the-Air) updates to all users on desktop platforms, which includes Linux, macOS, and Windows systems, for all available channels (Stable, Beta, and Nightly), urging users not to delete their installed add-ons.

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