Between 28–29 September 2026, Wikipedia editor Gnomingstuff reverted multiple article edits marked as AI-generated, citing Wikipedia's policy against AI language model contributions. Reverted articles included entries on Harijaona Lovanantenaina Rakotonirina, University of Rajasthan, Prabhas, Neutrino factory, Adish Aggarwala, and Health in Liberia, restoring them to pre-AI versions.
A Wikipedia editor (Gnomingstuff) systematically reverted AI-generated contributions to multiple articles between September 18–20, 2026, enforcing the WP:NOLLM policy against large-language-model edits. Six articles were rolled back, including entries on the 1970 Asbury Park race riots, Quebec municipalities, and religious landmarks.
Between 14 and 18 September 2026, editors Gnomingstuff and Kowal2701 reverted AI-generated content on six Wikipedia articles (Hélène Papper, Philip Beesley, Merchant account, Uttar Pradesh State Industrial Development Corporation, Solar power in Colorado, I-Ready) per WP:NOLLM policy. Reverts restored pre-AI or archived versions of the content.
Between 11 and 14 September 2026, editor Gnomingstuff removed AI-generated content from six Wikipedia articles on theatrical and musical topics (Falsettoland, Hello Dolly!, Tryout, Annie, and The Old Arrow Tree), citing policy WP:NOLLM. Editor Ponyo also reverted changes to the National Film Awards article on 11 September.
Between 2026-09-07 and 2026-09-10, editor Gnomingstuff reverted AI-generated text from six Wikipedia articles (GoGet, Transaction Processing Performance Council, Sanjay Arora, Clermont School of Business, Law Legislation and Liberty, Puthupally Raghavan) in compliance with Wikipedia's no-LLM policy (WP:NOLLM), restoring pre-AI versions while preserving non-AI edits where applicable.
Wikipedia editor Gnomingstuff conducted a series of reversions between 2026-09-04 and 2026-09-06, removing AI-generated text from articles including Shrawan Mukarung, Hop Along, Central Electoral Commission of Kyrgyzstan, Moore Is More, Ebersberg, and Ted Noffs, citing WP:NOLLM policy. The enforcement swept across six distinct articles, preserving non-AI edits while eliminating suspected machine-generated content.