
Extension Pulse, week of August 24: CWS API V1 dies October 15, and Chrome is giving you the Public Suffix List
CWS API V1 dies October 15. Chrome 154 adds chrome.publicSuffix. Edge MV2 and Firefox's two-week train are background.
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CWS API V1 dies October 15. Chrome 154 adds chrome.publicSuffix. Edge MV2 and Firefox's two-week train are background.

Edge starts phasing out MV2. Firefox 155 goes fortnightly. Chrome 153 binds protocol handlers to the extension lifetime.

Firefox 154 ships the sandbox manifest key. Chrome 153 blocks user scripts from privileged renderers and asks you to reload after site-access changes.

AMO now builds Firefox add-ons from source. Chrome 152 beta brings a badge cap and a tighter browser namespace.

Chrome 151 deletes every remaining MV2 flag. Messaging gets structured clone. setBadgeText is capped at 100 bytes.

CWS data-minimisation rules enforce August 1. Firefox 153 ships tomorrow. Firefox and Safari just lined up behind COOP/COEP for extension pages.

Chrome Web Store opens to 120+ countries, Firefox 153 ESR is two weeks out, and W3C still can't agree a cap on unlimitedStorage. Here's what actually matters.

Firefox 153 makes extension file access opt-in from July 21 — even for add-ons you already installed. We found 842 Firefox add-ons that request file:// access.

Two-thirds of Edge extensions and half of Firefox add-ons sit abandoned — no security update in a year. Why stale extensions are risky and how to check yours.
GhostPoster hid malware inside extension icon images for up to five years across Chrome, Firefox, and Edge. Here's how steganography works and what to check.

A privacy researcher says Chrome ships almost no fingerprinting defenses. Here's what sites can really learn about you — and which extensions help.
Firefox built-in VPN is free, capped at 50GB/month and 4 countries. Here's how it compares to Proton VPN, Mullvad, and NordVPN extensions — and which to trust.
Mozilla now requires all Firefox extensions to declare data collection in manifest.json. Here's exactly how to implement data_collection_permissions correctly.
17 malicious sleeper extensions found across Firefox, Chrome, and Edge with 840K downloads. They hid malware in images for up to 5 years undetected.