- Parse and validate from snapshot JSON, reject future/missing timestamps
- Enforce snapshot age vs in cache and stale fallback (no lifetime extension on repeat S3 reads)
- OCSP: , ,
- Remove unused from signer
- Publisher heartbeats: , republish clean snapshots past interval, preserve dirty-only behavior and concurrency
- Config/env/docker/docs updates for heartbeat
Rolling upgrade: enable publisher heartbeats before deploying the age-enforcing responder so existing snapshots remain within the age window.
Replace the backtracking _PEM_BLOCK regex with a forward-only scanner
that indexes END markers by label, so repeated unterminated headers do
not cause the regex to rescan the remaining input.
Impact: 80 KiB payload went from 8.34 s to 0.001 s.
KCA