Prometheus 3.4.0
← All Prometheus releases · Searchable index of all 403 changes
Changelog
| PR / issue | Type | Description |
|---|---|---|
| #16207 | Change | Config: Make setting out-of-order native histograms feature (--enable-feature=ooo-native-histograms) a no-op. Out-of-order native histograms are now always enabled when out_of_order_time_window is greater than zero and --enable-feature=native-histograms is set. |
| #15850 | Feature | OTLP translate: Add feature flag for optionally translating OTel explicit bucket histograms into native histograms with custom buckets. |
| #16441 | Feature | OTLP translate: Add option to receive OTLP metrics without translating names or attributes. |
| #16249 | Feature | PromQL: allow arithmetic operations in durations in PromQL parser. |
| #16360 | Feature | OTLP receiver: Add primitive support for ingesting OTLP delta metrics as-is. |
| #16095 | Enhancement | PromQL: histogram_fraction for bucket histograms. |
| #16166 | Enhancement | TSDB: add prometheus_tsdb_wal_replay_unknown_refs_total and prometheus_tsdb_wbl_replay_unknown_refs_total metrics to track unknown series references during WAL/WBL replay. |
| #16066 | Enhancement | Scraping: Add config option for escaping scheme request. |
| #16226 | Enhancement | Config: Add global config option for convert_classic_histograms_to_nhcb. |
| #16254 | Enhancement | Alerting: make batch size configurable (--alertmanager.notification-batch-size). |
| #16433 | Performance | Kubernetes SD: make endpointSlice discovery more efficient. |
| #16340 | Bug fix | Config: Fix auto-reload on changes to rule and scrape config files. |
| #16218 | Bug fix | Scraping: Skip native histogram series if ingestion is disabled. |
| #16231 | Bug fix | TSDB: Handle metadata/tombstones/exemplars for duplicate series during WAL replay. |
| #16242 | Bug fix | TSDB: Avoid processing exemplars outside the valid time range during WAL replay. |
| #16443 | Bug fix | Promtool: Add feature flags for PromQL features. |
| #15093 | Bug fix | Rules: correct logging of alert name & template data. |
| #16444 | Bug fix | PromQL: Use arithmetic mean for histogram_stddev and histogram_stdvar . |
Reproduced from the official Prometheus 3.4.0 release notes. Last checked 7 Jul 2026, 21:23 UTC.