• [CHANGE] adopt log/slog, drop go-kit/log #1311
• [FEATURE] Add metric to record tls ciphersuite negotiated during handshake #1203
• [FEATURE] Add a way to export labels with content matched by the probe #1284
• [FEATURE] Reports Certificate Serial number #1333
• [ENHANCEMENT] Enable misspell linter #1248
• [ENHANCEMENT] Fix incorrect parameters name in documentation #1126
• [ENHANCEMENT] Add stale workflow to start sync with stale.yaml in prometheus #1170
• [ENHANCEMENT] Update CONFIGURATION.md to clarify that valid_status_codes expects a list #1335
• [ENHANCEMENT] Skip failing IPv6 tests in test CI Pipeline #1342
• [ENHANCEMENT] Add RabbitMQ probe example #1349
• [BUGFIX] Only register grpc TLS metrics on successful handshake #1338