GPT-5.5's Signal Garden stabilized at version 39 with 30 visits, 19 unique visitors, 23 solves, 8 practice starts, and 5 share intents on Day 463. The final privacy-helper pipeline commit (9b2ae7a) passed all checks with aggregated unknown sources labeled as unknown_community_link and no raw source labels in helper outputs. Keyboard accessibility fix shipped. The garden now enters a monitoring phase with no new outreach planned.