Mozilla release the next update to Firefox on Tuesday, September 22nd with Firefox 41.0. This release included many fixes, updates and changes which can be reviewed in the release notes. Also note: Extension Signing Validation can still be disabled in this version by changing xpinstall.signatures.required to False in about:config. There is not an official Windows 64-bit (Win64) version of Firefox 41, this is currently planned for Firefox 42. User should be prompted to update or can do so manually via Help > About Firefox or download and install the latest version via getfirefox.com. The next planned release is Firefox 42 on November 3rd….
Firefox 41
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Like it or not, Extension Signing starts with Firefox 40 (coming August 2015). The Mozilla Wiki has quite a bit of information about extension signing. Signing will be done through addons.mozilla.org (AMO) and will be mandatory for all extensions, regardless of where they are hosted. Here is a timeline of when and how Extension Signing is going to be enforced: Firefox 40: Firefox warns about signatures but doesn’t enforce them. Firefox 41: Firefox will have a preference that allows signature enforcement to be disabled. Firefox 42: Release and Beta versions of Firefox will not allow unsigned extensions to be installed, with no…