The short version
Harlow's Favorite Update ran as an official Roblox event from July 10 at 12:00 PM ET to July 12 at 12:00 PM ET, 2026. The official teaser named new class visuals, items, reworked skins, Security and Secret Agent reworks, reworked 2D icons, a reduced flashing-lights mode, new Dr. Harlow interactions, a hidden interaction, and a new lore character. The community wiki's update log records what shipped: the Scanner, Mint Tea, and Deployable Camera items; the Skinwalker-to-Mimic rename with a crawl animation; the Stalker's photo weakness; Gun ammo cut from 30 to 20; and Liz as the new lore character.