The Mozilla Foundation has recently announced the launch of a rollback/restore feature for Firefox Add-ons, enabling developers to swiftly revert to any previously approved version. This capability is designed to help developers quickly address critical errors introduced in new extension updates.
All versions published to the Firefox Add-ons store must undergo approval. If a newly released version contains a severe flaw, developers typically need to fix it and submit another update for review — a process that can take hours or even days. With the new one-click rollback option, however, developers can instantly revert to an earlier version. Firefox will then automatically redistribute the stable release to users, replacing the problematic update, while developers work on a proper fix and resubmit their extension for review.
This feature also mitigates a critical security concern: cryptocurrency hijacking. In previous incidents, developers who fell victim to phishing attacks had their credentials stolen, allowing attackers to impersonate them and upload malicious versions of extensions containing backdoors that siphoned off users’ digital assets. With rollback functionality, developers who detect such compromises can rapidly revert their add-ons, thereby reducing both the scope and duration of potential damage.
For both developers and users, this improvement marks a significant safeguard for stability and trust.
Rules for using the rollback feature:
- An extension must have at least two previously approved versions.
- To perform a rollback, developers must navigate to the Status and Versions page and select the rollback option.
- If multiple approved versions exist, developers may choose to restore any one of them.
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