How to Check if Your Extensions Will Stop Working With Firefox 57

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With Firefox 57, scheduled for launch in November 14, 2017, Mozilla will finish help for legacy extensions, and solely help newer WebExtensions. Right here’s how to verify if your extensions will cease working—and the way to hold utilizing them after November, if you want to.

Why XUL Extensions Are Going Away

All conventional extensions, together with XUL extensions, are being discontinued. They have been very highly effective, however that was each a energy and a weak point. The sheer energy of those extensions meant they might modify Firefox’s browser code, which may lead to instability and innocent-looking malware add-ons.

As a substitute, Mozilla has been engaged on WebExtensions, that are comparable to Chrome and Edge’s add-ons. These are the way forward for Firefox extensions. As a result of these add-ons have to work in a extra normal means and may’t mess with Firefox’s inner code, they need to trigger fewer issues. It also needs to be simpler for builders to port add-ons from Chrome to Firefox.

At the moment, Firefox helps each conventional (legacy) extensions and WebExtensions. With Firefox 57, the older extensions will cease working, and solely newer WebExtensions will work. This alteration is already reside in Firefox Nightly, the forefront growth model of Firefox. Builders have been pushed to improve their extensions, however not all have—which leads us to the issue.

How to See if Your Extensions Will Stop Working

if you employ Firefox right now, you possibly can verify to see which of your extensions will cease working in model 57. To verify, click on menu > Add-ons and choose the “Extensions” class.

Older extensions that can cease working are labeled with a “Legacy” tag if you’re utilizing Firefox 55 or newer. Fashionable WebExtensions that can proceed working seem usually.

How to Seek for New Extensions

If an extension has “Legacy” tag, you possibly can verify this listing of well-liked extensions with details about their improve standing. For instance, within the screenshot above, LastPass is marked as Legacy extension that can cease working, however we will see that the builders plan to exchange it with a WebExtension earlier than Firefox 57’s launch date.

For much less well-liked extensions, you could want to carry out an online search to see if the developer is planning an replace. Builders have to port their extensions to WebExtensions, and never all builders will achieve this.

If an extension you rely on will cease working, you could want to seek for a contemporary different that does one thing comparable. You’ll be able to seek for solely add-ons which might be appropriate with Firefox 57 or newer on the Mozilla Add-ons website.

Any add-on that has the “Suitable with Firefox 57+” tag is a WebExtension that can proceed working. For instance, the Person Agent Switcher extension we’ve put in isn’t deliberate for an improve, so we most likely need to set up one of many extra fashionable Person Agent Switcher extensions.

It is a good time to consider whether or not you really want all these extensions, although. Browser extensions may be harmful, so it’s a good suggestion to solely have them put in if they’re actually helpful to you and from a reliable supply.

How to Preserve Utilizing Legacy Extensions

When you actually require an outdated extension, there’s a method to hold utilizing them safely. Swap to the Firefox Prolonged Assist Launch, also referred to as Firefox ESR. It is a slower-moving model of Firefox supposed largely for companies that don’t need main characteristic upgrades each six weeks.

The present Firefox ESR launch relies on Firefox 52 and will probably be supported with safety updates till June 26, 2018. Because it’s primarily based on Firefox 52, older extensions will proceed to operate with none issues

After June 26, 2018, you’ll have to improve to a more recent variations of Firefox ESR that can now not help legacy extensions if you need to proceed receiving safety updates. This isn’t a everlasting answer, however it’s a great way to hold utilizing your present extensions for one more seven months when you consider extra fashionable alternate options.

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