Does AI Help? October 2026, version 2026.10.6

Adds verified open-source contribution-policy contrasts, the reported Torvalds debugging episode, the Asahi–Gravity policy split, and a critical appraisal of recent policy research. Corrects QEMU repository-date provenance and supplies the SWE-bench authors recommended citations. Includes 227 records, 211 checked identities, 121 annotated sources and 118 article citations. Evidence cutoff: 13 October 2026. Earlier snapshots preserved. Not peer reviewed; policy evidence is not a causal productivity estimate.