~/panel

Filter maintainers panel

on YouTube 01h 12m
Panelat Ad-Filtering Dev Summit 2025 · 2025-10-23..10-24· [web-platform, developer-experience]

speakers

name:Ryan Brown
links:none on file
name:Peter Lowe
links:none on file
name:Dávid Tóta
links:none on file
name:Elizaveta Egorova
links:none on file
name:Sam Macbeth
links:none on file
name:Andrey Meshkov
links:none on file

resources

video:https://youtu.be/6fVFFLOl4xY
slides:none on file

summary

Panel covers concrete effects of Manifest V3: missing debugging APIs, rule-count and CNAME limits that force smaller, network-focused rules and slower rollout. Maintenance tools and heuristics include a weekly DNS linter that hides domains failing DNS checks and deletes after six weeks, a crawler that scans 100,000 sites every two weeks producing 2,900 tracker domains (~5,000 blocking rules), and a comparative analysis of a 32M URLs crawl showing 11M requests blocked by both lists and ~1M unique to each.

AI-written summary · about

chapters (6)

  1. 0:00Introduction
  2. 3:15Manifest V3 impact
  3. 21:53Filter list bloat
  4. 43:59Tooling for maintainers
  5. 57:53User expectations
  6. 1:07:35Trusted scriptlets

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