If your Firefox hyperkinetic syndrome - ons were borked over the weekend , you ’re not alone . Late on Friday , many Firefox users discover that many extension were suddenly useless or impossible to install after Mozilla push out an update to version 66.0.4 of its browser app . in effect , it allow for many users deliver to reckon out their own workarounds to use their advert blockers , countersign managers , and many other types of extensions .

But after furiously scramble for a few years , Mozilla has some good news and bad news . The good : It unloose a jam that ’s restored extensions for the absolute majority of user on Firefox 66 . As of this writing , Mozilla has said it ’s beenrolled outfor both desktop and Android , as well as ESR user onversion 60.6.2 . It also tweeted that the fix will be mechanically apply and that users do n’t really have to do anything .

Latest update : https://t.co / lSXlhyGqr9

Article image

Photo: AP Images

— Mozilla Add - ons ( @mozamo)May 5 , 2019

So now for the unfit news : Legacy users on older interpretation of the browser app are still out in the cold .

Why not just update to the late version ? Well , there are in reality a circumstances of reasons why users might not want to update . That let in everything from using an add - on that ’s no longer been update / stick out , or because they’reusing older computersthat do n’t have the succus to support young browsers . And click - off user aretakingtoTwittertoletMozillaknowhow they really feel about the whole thing . It does n’t help that in itsblog , Mozilla discourage workarounds discussed in residential district forums as “ they may infringe with fixes [ it ] is deploying . ” Gizmodo has gain out to Mozilla to see if it be after on addressing these concerns but did not at once pick up a response .

Argentina’s President Javier Milei (left) and Robert F. Kennedy Jr., holding a chainsaw in a photo posted to Kennedy’s X account on May 27. 2025.

https://twitter.com/embed/status/1125141716267347970

Ditto . There is a * ground * I use an older internet browser . I set up waterfox but I was still unforced to come back till this . It ’s an expired certification on your end , it does n’t /need/ a novel browser app to be repaired . See ya firefox . After near ten yr , I ’m done .

— oommbackin5 ( @oommbackinfive)May 5 , 2019

William Duplessie

According toMozilla , the whole heap is a consequence of an expired credentials for signing new extensions and is unrelated to a recentadd - on policy update . The policy update is more about pass security department risks for future add - ons by no longer accepting reference with “ obfuscate codification . ” The policy change also state that Mozilla will be more proactive about blocking extensions . Those policy changes go into effect on June 10 .

[ Engadget ]

FirefoxMozilla

Starship Test 9

Daily Newsletter

Get the in force technical school , scientific discipline , and culture news in your inbox day by day .

intelligence from the future , delivered to your present .

You May Also Like

Lilo And Stitch 2025

CMF by Nothing Phone 2 Pro has an Essential Key that’s an AI button

Photo: Jae C. Hong

Doctor Who Omega

Roborock Saros Z70 Review

Argentina’s President Javier Milei (left) and Robert F. Kennedy Jr., holding a chainsaw in a photo posted to Kennedy’s X account on May 27. 2025.

William Duplessie

Starship Test 9

Lilo And Stitch 2025

Roborock Saros Z70 Review

Polaroid Flip 09

Feno smart electric toothbrush

Govee Game Pixel Light 06