1.7.1 / 2020-06-23

• [BUGFIX] API client: Actually propagate start/end parameters of LabelNames and LabelValues. #771

1.7.0 / 2020-06-17

• [CHANGE] API client: Add start/end parameters to LabelNames and LabelValues. #767
• [FEATURE] testutil: Add GatherAndCount and enable filtering in CollectAndCount #753
• [FEATURE] API client: Add support for status and runtimeinfo endpoints. #755
• [ENHANCEMENT] Wrapping nil with a WrapRegistererWith... function creates a no-op Registerer. #764
• [ENHANCEMENT] promlint: Allow Kelvin as a base unit for cases like color temperature. #761
• [BUGFIX] push: Properly handle empty job and label values. #752

1.6.0 / 2020-04-28

• [FEATURE] testutil: Add lint checks for metrics, including a sub-package promlint to expose the linter engine for external usage. #739 #743
• [ENHANCEMENT] API client: Improve error messages. #731
• [BUGFIX] process collector: Fix process_resident_memory_bytes on 32bit MS Windows. #734

1.5.1 / 2020-03-14

• [BUGFIX] promhttp: Remove another superfluous WriteHeader call.

1.5.0 / 2020-03-03

• [FEATURE] promauto: Add a factory to allow automatic registration with a local registry. #713
• [FEATURE] promauto: Add NewUntypedFunc. #713
• [FEATURE] API client: Support new metadata endpoint. #718

1.4.1 / 2020-02-07

• [BUGFIX] Fix timestamp of exemplars in CounterVec. #710

1.4.0 / 2020-01-27

• [CHANGE] Go collector: Improve doc string for go_gc_duration_seconds. #702
• [FEATURE] Support a subset of OpenMetrics, including exemplars. Needs opt-in via promhttp.HandlerOpts. EXPERIMENTAL #706
• [FEATURE] Add testutil.CollectAndCount. #703

1.3.0 / 2019-12-21

• [FEATURE] Support tags in Graphite bridge. #668
• [BUGFIX] API client: Actually return Prometheus warnings. #699

1.2.1 / 2019-10-17

1.2.1 / 2019-10-17

• [BUGFIX] Fix regression in the implementation of Registerer.Unregister. #663

1.2.0 / 2019-10-15

• [FEATURE] Support pushing to Pushgateway v0.10+. #652
• [ENHANCEMENT] Improve hashing to make a spurious AlreadyRegisteredError less likely to occur. #657
• [ENHANCEMENT] API client: Add godoc examples. #630
• [BUGFIX] promhttp: Correctly call WriteHeader in HTTP middleware. #634