Mentions Electronic Frontier Foundation

The timeline around a stable channel rollout is worded kind of strangely. The company says: "We expect it will take at least a month to observe and stabilize the changes in pre-stable before expanding the rollout to stable channel Chrome, where it will also gradually roll out over time. The exact timing may vary depending on the data collected, and during this time, we will keep you informed about our progress." It's unclear what "data" Google is concerned with. It's not the end of the world if an extension crashes—it turns off and stops working until the user reboots the extension. Maybe the company is concerned about how many people Google "Firefox" once their ad-blocker stops working.

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Google's sales pitch for Manifest V3 is that, by limiting extensions, the browser can be lighter on resources, and Google can protect your privacy from extension developers. With more limited tools, you'll be more exposed to the rest of the Internet, though, and a big part of the privacy-invasive Internet is Google. The Electronic Frontier Foundation called Google's description of Manifest V3 "Deceitful and Threatening" and said that it's "doubtful Mv3 will do much for security."