YT Block Optimized tekijä USForeignPolicy

Blacklist words and phrases (regex supported).
• Block channels, videos, comments, posts, and playlists.
• Block videos by title, categories, tags, description*, duration, link, ID, and published time.
• Block shorts, live, premiere, and age-restricted videos.
• Block channels and whitelist channels.
• Block comments and posts by their content or by channel.
• Block playlists by channel, title, and even mix playlists.
• Toggleable block overlays.
• Password protection.
• Many more!

The improvements are:
Aho–Corasick indexing
Constant-time exact matching
Multi-level caching
Batched API traffic
Cancellation and prioritization
Off-main-thread regex
Incremental page processing
Visibility-aware scheduling
Navigation-aware invalidation
early video-ID blocking
Bounded memory