8000 Release 3.4.0-rc.0 / 2025-04-29 · prometheus/prometheus · GitHub
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@prombot prombot released this 02 May 18:12
v3.4.0-rc.0
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jkroepke Jan-Otto Kröpke
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Learn about vigilant mode.
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Learn about vigilant mode.
  • [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. #16207
  • [FEATURE] OTLP translate: Add feature flag for optionally translating OTel explicit bucket histograms into native histograms with custom buckets. #15850
  • [FEATURE] OTLP translate: Add option to receive OTLP metrics without translating names or attributes. #16441
  • [FEATURE] PromQL: allow arithmetic operations in durations in PromQL parser. #16249
  • [FEATURE] OTLP receiver: Add primitive support for ingesting OTLP delta metrics as-is. #16360
  • [ENHANCEMENT] PromQL: histogram_fraction for bucket histograms. #16095
  • [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. #16166
  • [ENHANCEMENT] Scraping: Add config option for escaping scheme request. #16066
  • [ENHANCEMENT] Config: Add global config option for convert_classic_histograms_to_nhcb. #16226
  • [ENHANCEMENT] Alerting: make batch size configurable (--alertmanager.notification-batch-size). #16254
  • [PERF] Kubernetes SD: make endpointSlice discovery more efficient. #16433
  • [BUGFIX] Config: Fix auto-reload on changes to rule and scrape config files. #16340
  • [BUGFIX] Scraping: Skip native histogram series if ingestion is disabled. #16218
  • [BUGFIX] TSDB: Handle metadata/tombstones/exemplars for duplicate series during WAL replay. #16231
  • [BUGFIX] TSDB: Avoid processing exemplars outside the valid time range during WAL replay. #16242
  • [BUGFIX] Promtool: Add feature flags for PromQL features. #16443
  • [BUGFIX] Rules: correct logging of alert name & template data. #15093
  • [BUGFIX] PromQL: Use arithmetic mean for histogram_stddev() and histogram_stdvar() . #16444
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