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Open Thread 429
Brief
Open Thread 429 (Astral Codex Ten, Substack), published April 13, 2026, is a 410‑word weekly open thread that lists community links and events, including a late-added Oxford meetup on April 29. It promotes ACX grantee JD Bauman’s book All The Lives You Can Change (due April 28, available for pre‑order) and reminds readers they are free subscribers with an option to upgrade to paid.