Hello
Firefox release notes
https://www.mozilla.org/en-US/firefox/releases
Since the release of Firefox 63 https://www.mozilla.org/en-US/firefox/63.0/releasenotes
The option to Never check for updates was removed from about:preferences. You can use the DisableAppUpdate enterprise policy as a substitute.
Firefox policies https://mozilla.github.io/policy-templates
DisableAppUpdate https://mozilla.github.io/policy-templates/#disableappupdate
The Enterprise Policy Generator https://addons.mozilla.org/firefox/addon/enterprise-policy-generator helps to create the configuration file
{
"policies": {
"DisableAppUpdate": true
}
}By way of other illustration https://www.youtube.com/embed/wiWZOm_UX30
Another way, not to block updates, or, to block updates
DisableAppUpdate 0 not to block updates
By way of illustration, DisableAppUpdate 1 block updates
\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox
Use the Troubleshooting Information page to help fix Firefox issues
https://support.mozilla.org/en-US/kb/use-troubleshooting-information-page-fix-firefox
Enterprise Policies: This shows you if your browser is being managed by Windows Group Policy or a policies.json file. If enterprise policies are managing Firefox, clicking on Active will show you a list of the policies that are currently active on
