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Firefox Nightly 57 now introduces its users a new option that allows you to Turn On / OFF legacy Extensions. The extension that works accordingÂ to the techniques prescribed in aÂ document is termed as legacy technology in the browser. Firefox Nightly is the first variant of the version 57 of this web browser.Â As aÂ current user of this edition, you might have experienced that it disables all legacy extensions.
This means that an add-on not using WebExtensions API will not be available for Firefox. Even It existsÂ inÂ Mozilla add-ons repository and installed in the web browser you could not find anymore. It is noteworthy the disabling was pre announcedÂ by Mozilla. Since Firefox is a user-friendly browser, it has the provision to bypass the restriction that blocks the usage of legacy extensions. See the steps below –
Turn On / OFF legacy Extensions in Firefox 57
Just like the previous version you can control it through the configuration page.
Step 1 – OpenÂ Mozilla Firefox and type or copy and paste the given data.
Step 2 –Â Then the browser displays a warning message because you are about to meddle with the configuration of the browser. But proceed further by hitting the buttonÂ I accept the risk!.Step 3 – On the new appearing page type or copy and paste the under given.
Step 4 – This will list the preferred option with respect to Legacy Extensions.
Turn On legacy Extensions in Firefox 57
Step 5 – In order to turn on Legacy Extensions double click onÂ extensions.legacy.enabledÂ and reset the value to True.
Turn Off Legacy Extensions
Step 6 – Simply double click the value ofÂ extensions.legacy.enabledÂ preference and set it to False in case you want to turn off Legacy Extensions.
See another article for this browser – How to Turn On / Off Screenshot Tool in Firefox.
The new version Nightly does not feature the legacy extensions directly on the browser. Hence your add-ons goÂ meaningless after updating the browser to the version 57. But you can adjust the legacy with the help of these steps. Therefore try these steps toÂ Turn On / OFF legacy Extensions in Firefox 57 as and when there is a need.
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