#manifest v3
Posts tagged manifest v3 — 2 articles.
How It Works
How It Works · 19 min
Chrome Deletes the Last Manifest V2 Extensions on August 31: What Actually Happens
The 'your extensions die on August 31' headlines are a year late: Manifest V2 stopped running back in July 2025. The date everyone's panicking about is just a Web Store cleanup.
How It Works
How It Works · 15 min
How Chrome Extensions Actually Run Your Code
How Chrome extensions execute code: content scripts, isolated vs main worlds, the MV3 service-worker lifecycle, and message passing — with real code examples.
Master the keyboard-first web.
Get Keystrokes in your inbox — features, tips, news and research, about once a week. No spam, unsubscribe anytime.
One email a week · No spam · Unsubscribe anytime