actions/stale joined the watched set.

{"event":"population_change","format_version":1,"population_change":{"change":"added","reason":{"type":"seed"}},"prev_hash":"sha256:4e12b55f89f844d600d3e74075274ffaba2829a7c99dc408c562622de9ceefe7","recorded_at":"2026-09-29T18:53:44.590Z","repo":"actions/stale","seq":15,"source_observations":["01M3Q88X7FBV89AG7QB871CEQF"]}

The SHA-256 of these bytes is this entry's hash (51fcd753). The next entry begins with it. Change one byte, and the chain breaks.