The article mentions W11 24H2 but that might have been the only update the article had if it was first published much earlier. Might have even been an advance warning about AC-3 even before 24H2 was released.
Otherwise looks a bit deceptively like new findings just because the date at the top of the page says June 18, 2026 :\
Otherwise looks a bit deceptively like new findings just because the date at the top of the page says June 18, 2026 :\