Releases: prometheus/prometheus
Releases Β· prometheus/prometheus
3.4.0-rc.0 / 2025-04-29
- [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 whenout_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
andprometheus_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()
andhistogram_stdvar()
. #16444
3.3.1 / 2025-05-02
3.3.0 / 2025-04-15
- [FEATURE] PromQL: Implement
idelta()
andirate()
for native histograms. #15853 - [ENHANCEMENT] Scaleway SD: Add
__meta_scaleway_instance_public_ipv4_addresses
and__meta_scaleway_instance_public_ipv6_addresses
labels. #14228 - [ENHANCEMENT] TSDB: Reduce locking while reloading blocks. #12920
- [ENHANCEMENT] PromQL: Allow UTF-8 labels in
label_replace()
. #15974 - [ENHANCEMENT] Promtool:
tsdb create-blocks-from openmetrics
can now read from a Pipe. #16011 - [ENHANCEMENT] Rules: Add support for anchors and aliases in rule files. #14957
- [ENHANCEMENT] Dockerfile: Make
/prometheus
writable. #16073 - [ENHANCEMENT] API: Include scrape pool name for dropped targets in
/api/v1/targets
. #16085 - [ENHANCEMENT] UI: Improve time formatting and copying of selectors. #15999 #16165
- [ENHANCEMENT] UI: Bring back vertical grid lines and graph legend series toggling instructions. #16163 #16164
- [ENHANCEMENT] Mixin: The
cluster
label can be customized usingclusterLabel
. #15826 - [PERF] TSDB: Optimize some operations on head chunks by taking shortcuts. #12659
- [PERF] TSDB & Agent: Reduce memory footprint during WL replay. #15778
- [PERF] Remote-Write: Reduce memory footprint during WAL replay. #16197
- [PERF] API: Reduce memory footprint during header parsing. #16001
- [PERF] Rules: Improve dependency evaluation, enabling better concurrency. #16039
- [PERF] Scraping: Improve scraping performance for native histograms. #15731
- [PERF] Scraping: Improve parsing of created timestamps. #16072
- [BUGFIX] Scraping: Bump cache iteration after error to avoid false duplicate detections. #16174
- [BUGFIX] Scraping: Skip native histograms series when ingestion is disabled. #16218
- [BUGFIX] PromQL: Fix counter reset detection for native histograms. #15902 #15987
- [BUGFIX] PromQL: Fix inconsistent behavior with an empty range. #15970
- [BUGFIX] PromQL: Fix inconsistent annotation in
quantile_over_time()
. #16018 - [BUGFIX] PromQL: Prevent
label_join()
from producing duplicates. #15975 - [BUGFIX] PromQL: Ignore native histograms in
scalar()
,sort()
andsort_desc()
. #15964 - [BUGFIX] PromQL: Fix annotations for binary operations between incompatible native histograms. #15895
- [BUGFIX] Alerting: Consider alert relabeling when deciding whether alerts are dropped. #15979
- [BUGFIX] Config: Set
GoGC
to the default value in case of an empty configuration. #16052 - [BUGFIX] TSDB: Fix unknown series errors and potential data loss during WAL replay when inactive series are removed from the head and reappear before the next WAL checkpoint. #16060
- [BUGFIX] Scaleway SD: The public IP will no longer be set to
__meta_meta_scaleway_instance_public_ipv4
if it is an IPv6 address. #14228 - [BUGFIX] UI: Display the correct value of Alerting rules'
keep_firing_for
. #16211
3.3.0-rc.1 / 2025-04-02
- [BUGFIX] Remote-Write: Reduce memory footprint during WAL replay. #16197
- [BUGFIX] Scraping: Skip native histograms series when ingestion is disabled. #16218
- [BUGFIX] UI: Display the correct value of Alerting rules'
keep_firing_for
. #16211 - [BUGFIX] PromQL: return NaN from
irate()
if second-last sample is NaN. #16199 #15853
3.3.0-rc.0 / 2025-03-11
- [FEATURE] PromQL: Implement
idelta()
andirate()
for native histograms. #15853 - [ENHANCEMENT] Scaleway SD: Add
__meta_scaleway_instance_public_ipv4_addresses
and__meta_scaleway_instance_public_ipv6_addresses
labels. #14228 - [ENHANCEMENT] TSDB: Reduce locking while reloading blocks. #12920
- [ENHANCEMENT] PromQL: Allow UTF-8 labels in
label_replace()
. #15974 - [ENHANCEMENT] Promtool:
tsdb create-blocks-from openmetrics
can now read from a Pipe. #16011 - [ENHANCEMENT] Rules: Add support for anchors and aliases in rule files. #14957
- [ENHANCEMENT] Dockerfile: Make
/prometheus
writable. #16073 - [ENHANCEMENT] API: Include scrape pool name for dropped targets in
/api/v1/targets
. #16085 - [ENHANCEMENT] UI: Improve time formatting and copying of selectors. #15999 #16165
- [ENHANCEMENT] UI: Bring back vertical grid lines and graph legend series toggling instructions. #16163 #16164
- [ENHANCEMENT] Mixin: The
cluster
label can be customized usingclusterLabel
. #15826 - [PERF] TSDB: Optimize some operations on head chunks by taking shortcuts. #12659
- [PERF] TSDB & Agent: Reduce memory footprint during WL replay. #15778
- [PERF] API: Reduce memory footprint during header parsing. #16001
- [PERF] Rules: Improve dependency evaluation, enabling better concurrency. #16039
- [PERF] Scraping: Improve scraping performance for native histograms. #15731
- [PERF] Scraping: Improve parsing of created timestamps. #16072
- [BUGFIX] PromQL: Fix counter reset detection for native histograms. #15902 #15987
- [BUGFIX] Scaleway SD: The public IP will no longer be set to
__meta_meta_scaleway_instance_public_ipv4
if it is an IPv6 address. #14228 - [BUGFIX] PromQL: Fix inconsistent behavior with an empty range. #15970
- [BUGFIX] PromQL: Fix inconsistent annotation in
quantile_over_time()
. #16018 - [BUGFIX] PromQL: Prevent
label_join()
from producing duplicates. #15975 - [BUGFIX] PromQL: Ignore native histograms in
scalar()
,sort()
andsort_desc()
. #15964 - [BUGFIX] Alerting: Consider alert relabeling when deciding whether alerts are dropped. #15979
- [BUGFIX] Config: Set
GoGC
to the default value in case of an empty configuration. #16052 - [BUGFIX] TSDB: Fix unknown series errors and potential data loss during WAL replay when inactive series are removed from the head and reappear before the next WAL checkpoint. #16060
- [BUGFIX] Scraping: Bump cache iteration after error to avoid false duplicate detections. #16174
- [BUGFIX] PromQL: Fix annotations for binary operations between incompatible native histograms. #15895
2.53.4 / 2025-03-18
3.2.1 / 2025-02-25
- [BUGFIX] Don't send Accept header
escape=allow-utf-8
whenmetric_name_validation_scheme: legacy
is configured. #16061
3.2.0 / 2025-02-17
Prometheus v3.2.0 Changelog
- [CHANGE] relabel: Replace actions can now use UTF-8 characters in
targetLabel
field. Note that$<chars>
or${<chars>}
will be expanded. This also apply toreplacement
field forLabelMap
action. #15851 - [CHANGE] rulefmt: Rule names can use UTF-8 characters, except
{
and}
characters (due to common mistake checks). #15851 - [FEATURE] remote/otlp: Add feature flag
otlp-deltatocumulative
to support conversion from delta to cumulative. #15165 - [ENHANCEMENT] openstack SD: Discover Octavia loadbalancers. #15539
- [ENHANCEMENT] scrape: Add metadata for automatic metrics to WAL for
metadata-wal-records
feature. #15837 - [ENHANCEMENT] promtool: Support linting of scrape interval, through lint option
too-long-scrape-interval
. #15719 - [ENHANCEMENT] promtool: Add --ignore-unknown-fields option. #15706
- [ENHANCEMENT] ui: Make "hide empty rules" and hide empty rules" persistent #15807
- [ENHANCEMENT] web/api: Add a limit parameter to
/query
and/query_range
. #15552 - [ENHANCEMENT] api: Add fields Node and ServerTime to
/status
. #15784 - [PERF] Scraping: defer computing labels for dropped targets until they are needed by the UI. #15261
- [BUGFIX] remotewrite2: Fix invalid metadata bug for metrics without metadata. #15829
- [BUGFIX] remotewrite2: Fix the unit field propagation. #15825
- [BUGFIX] scrape: Fix WAL metadata for histograms and summaries. #15832
- [BUGFIX] ui: Merge duplicate "Alerts page settings" sections. #15810
- [BUGFIX] PromQL: Fix
<aggr_over_time>
functions with histograms. #15711
3.2.0-rc.1 / 2025-01-29
- [CHANGE] relabel: Replace actions can now use UTF-8 characters in
targetLabel
field. Note that$<chars>
or${<chars>}
will be expanded. This also apply toreplacement
field forLabelMap
action. #15851 - [CHANGE] rulefmt: Rule names can use UTF-8 characters, except
{
and}
characters (due to common mistake checks). #15851 - [FEATURE] remote/otlp: Add feature flag
otlp-deltatocumulative
to support conversion from delta to cumulative. #15165 - [ENHANCEMENT] openstack SD: Discover Octavia loadbalancers. #15539
- [ENHANCEMENT] scrape: Add metadata for automatic metrics to WAL for
metadata-wal-records
feature. #15837 - [ENHANCEMENT] promtool: Support linting of scrape interval, through lint option
too-long-scrape-interval
. #15719 - [ENHANCEMENT] promtool: Add --ignore-unknown-fields option. #15706
- [ENHANCEMENT] ui: Make "hide empty rules" and hide empty rules" persistent #15807
- [ENHANCEMENT] web/api: Add a limit parameter to
/query
and/query_range
. #15552 - [ENHANCEMENT] api: Add fields Node and ServerTime to
/status
. #15784 - [BUGFIX] remotewrite2: Fix invalid metadata bug for metrics without metadata. #15829
- [BUGFIX] remotewrite2: Fix the unit field propagation. #15825
- [BUGFIX] scrape: Fix WAL metadata for histograms and summaries. #15832
- [BUGFIX] ui: Merge duplicate "Alerts page settings" sections. #15810
- [BUGFIX] PromQL: Fix
<aggr_over_time>
functions with histograms. #15711
3.1.0 / 2025-01-02
What's Changed
- [SECURITY] upgrade golang.org/x/crypto to address reported CVE-2024-45337. #15691
- [CHANGE] Notifier: Increment prometheus_notifications_errors_total by the number of affected alerts rather than per batch. #15428
- [CHANGE] API: list rules field "groupNextToken:omitempty" renamed to "groupNextToken". #15400
- [ENHANCEMENT] OTLP translate: keep identifying attributes in target_info. #15448
- [ENHANCEMENT] Paginate rule groups, add infinite scroll to rules within groups. #15677
- [ENHANCEMENT] TSDB: Improve calculation of space used by labels. #13880
- [ENHANCEMENT] Rules: new metric rule_group_last_rule_duration_sum_seconds. #15672
- [ENHANCEMENT] Observability: Export 'go_sync_mutex_wait_total_seconds_total' metric. #15339
- [ENHANCEMEN] Remote-Write: optionally use a DNS resolver that picks a random IP. #15329
- [PERF] Optimize
l=~".+"
matcher. #15474, #15684 - [PERF] TSDB: Cache all symbols for compaction . #15455
- [PERF] TSDB: MemPostings: keep a map of label values slices. #15426
- [PERF] Remote-Write: Remove interning hook. #15456
- [PERF] Scrape: optimize string manipulation for experimental native histograms with custom buckets. #15453
- [PERF] TSDB: reduce memory allocations. #15465, #15427
- [PERF] Storage: Implement limit in mergeGenericQuerier. #14489
- [PERF] TSDB: Optimize inverse matching. #14144
- [PERF] Regex: use stack memory for lowercase copy of string. #15210
- [PERF] TSDB: When deleting from postings index, pause to unlock and let readers read. #15242
- [BUGFIX] Main: Avoid possible segfault at exit. (#15724)
- [BUGFIX] Rules: Do not run rules concurrently if uncertain about dependencies. #15560
- [BUGFIX] PromQL: Adds test for
absent
,absent_over_time
andderiv
func with histograms. #15667 - [BUGFIX] PromQL: Fix various bugs related to quoting UTF-8 characters. #15531
- [BUGFIX] Scrape: fix nil panic after scrape loop reload. #15563
- [BUGFIX] Remote-write: fix panic on repeated log message. #15562
- [BUGFIX] Scrape: reload would ignore always_scrape_classic_histograms and convert_classic_histograms_to_nhcb configs. #15489
- [BUGFIX] TSDB: fix data corruption in experimental native histograms. #15482
- [BUGFIX] PromQL: Ignore histograms in all time related functions. #15479
- [BUGFIX] OTLP receiver: Convert metric metadata. #15416
- [BUGFIX] PromQL: Fix
resets
function for histograms. #15527 - [BUGFIX] PromQL: Fix behaviour of
changes()
for mix of histograms and floats. #15469 - [BUGFIX] PromQL: Fix behaviour of some aggregations with histograms. #15432
- [BUGFIX] allow quoted exemplar keys in openmetrics text format. #15260
- [BUGFIX] TSDB: fixes for rare conditions when loading write-behind-log (WBL). #15380
- [BUGFIX]
round()
function did not remove__name__
label. #15250 - [BUGFIX] Promtool: analyze block shows metric name with 0 cardinality. #15438
- [BUGFIX] PromQL: Fix
count_values
for histograms. #15422 - [BUGFIX] PromQL: fix issues with comparison binary operations with
bool
modifier and native histograms. #15413 - [BUGFIX] PromQL: fix incorrect "native histogram ignored in aggregation" annotations. #15414
- [BUGFIX] PromQL: Corrects the behaviour of some operator and aggregators with Native Histograms. #15245
- [BUGFIX] TSDB: Always return unknown hint for first sample in non-gauge histogram chunk. #15343
- [BUGFIX] PromQL: Clamp functions: Ignore any points with native histograms. #15169
- [BUGFIX] TSDB: Fix race on stale values in headAppender. #15322
- [BUGFIX] UI: Fix selector / series formatting for empty metric names. #15340
- [BUGFIX] OTLP receiver: Allow colons in non-standard units. #15710