#browser internals
Every post tagged “browser internals”, newest first.
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Tagged #browser internals
3 posts

How It Works
Chrome Deletes the Last Manifest V2 Extensions on August 31
The 'your extensions die on August 31' headlines are a year late: Manifest V2 stopped running in July 2025. You can't re-enable it, but you can replace it.
Shahzeb Umer · 22 min read

How It Works
Why Chrome Uses So Much RAM: Inside Its Memory Management
Chrome isn't leaking. Site Isolation, V8's heap and hidden caches explain the number, and why your task manager can't name the tab responsible.
22 min read
How It Works
How Chrome Extensions Actually Run Your Code
How Chrome extensions actually execute code: content scripts, isolated versus main worlds, the MV3 service-worker lifecycle, and message passing.
32 min read
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