Topic

Model and persona updates

Changing a deployed AI system in place — version upgrades, content-policy changes, deprecations — so that existing users encounter different behaviour from the same product.

Current clusters

science1 publisher

Negative posts nearly tripled on Replika's subreddit after an unannounced update

Harvard and Alberta researchers coded 54,861 subreddit posts around two real AI updates and surveyed 1,452 people. The reaction to Replika's silent change was larger, and it lasted longer than the reaction to GPT-5.

Publishers:phys.org

Reality

Evidence58
Adoption50
Hype gap+12
Incentives60
Confidence55