X's open-source algorithm update zeroes out video watch weight

X pushed a new version of its open-source For You feed algorithm. Developers comparing versions with Claude found that the 'watched video' weight dropped to zero while 'clicked open video' rose to 0.07, alongside AI detection for reply chains.

2026-09-18 ~ 2026-09-18 · 2 related posts

• X algorithm update: video watches score zero, chain-reply detection added — ThePeterMick · 2026-09-18
• X algorithm update: "watched" video signal drops to zero, tap-to-open weight rises to 0.07 — ThePeterMick · 2026-09-18