Mozilla has introduced a new feature that allows Firefox extension developers to roll back to previously approved versions, making it easier to fix critical bugs and issues without delay.
When an extension is reverted, users can no longer install the latest buggy version. If automatic updates are enabled, Firefox will automatically replace the faulty extension with the rolled-back version within 24 hours.
“If developing a revised version and obtaining a review won’t address the issue quickly enough, you can roll back to an earlier version of your extension,” Mozilla explained. “Users then update to the rolled back version when their browser next checks for extension updates, which, by default, means within 24 hours.”
To roll back, developers can republish a previous version with a new version number and push it to users through the Developer Hub or the Add-on Submission API. The rollback feature is available for any extension with at least two approved versions. For add-ons distributed through addons.mozilla.org, developers can only revert to the version released before the current one. However, for self-distributed extensions, they can roll back to any previously approved version.
The option to roll back is available in the Developer Hub, under “Rollback to a previous version” next to the “Upload a New Version” button on the Status & Versions page.
This move comes after Mozilla recently boosted security for its add-on portal. In June, the company introduced measures to block malicious extensions targeting cryptocurrency wallets. Mozilla said it has removed hundreds of such scams in recent years, and in July and August alone, nearly 200 fake wallet extensions impersonating Coinbase, MetaMask, Trust Wallet, Phantom, Exodus, and others were uploaded to its store.
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