2.0.0 - 2022-02-18

- FEATURE: Add per worker custom labels 
- FEATURE: support custom histogram buckets
- FIX: all metrics are exposing status label, and not only `http_requests_total`
- BREAKING: rename all `http_duration` metrics to `http_request_duration` to match prometheus official naming conventions (See https://prometheus.io/docs/practices/naming/#metric-names).

1.0.1 - 2021-12-22

- FEATURE: add labels to preflight requests
- FEATURE: SidekiqStats metrics
- FIX: mintor refactors to Sidekiq metrics

1.0.0 - 2021-11-23

- BREAKING: rename metrics to match prometheus official naming conventions (See https://prometheus.io/docs/practices/naming/#metric-names)
- FEATURE: Sidekiq process metrics
- FEATURE: Allow collecting web metrics as histograms
- FIX: logger improved for web server
- FIX: Remove job labels from DelayedJob queues

0.8.1 - 2021-08-04

- FEATURE: swap from hardcoded STDERR to logger pattern (see README for details)

0.8.0 - 2021-07-05

- FIX: handle ThreadError more gracefully in cases where process shuts down
- FEATURE: add job_name and queue_name labels to delayed job metrics
- FEATURE: always scope puma metrics on hostname in collector
- FEATURE: add customizable labels option to puma collector
- FEATURE: support for Resque
- DEV: Remove support for EOL ruby 2.5
- FIX: Add source location to MethodProfiler patches
- FEATURE: Improve Active Record instrumentation
- FEATURE: Support HTTP_X_AMZN_TRACE_ID when supplied

0.7.0 - 2020-12-29

- Dev: Removed support from EOL rubies, only 2.5, 2.6, 2.7 and 3.0 are supported now.
- Dev: Better support for Ruby 3.0, explicitly depending on webrick
- Dev: Rails 6.1 instrumentation support
- FEATURE: clean pattern for overriding middleware labels was introduced (in README)
- Fix: Better support for forking

0.6.0 - 2020-11-17

- FEATURE: add support for basic-auth in the prometheus_exporter web server

0.5.3 - 2020-07-29

- FEATURE: added #remove to all metric types so users can remove specific labels if needed

0.5.2 - 2020-07-01

- FEATURE: expanded instrumentation for sidekiq
- FEATURE: configurable default labels

0.5.1 - 2020-02-25

- FEATURE: Allow configuring the default client's host and port via environment variables

0.5.0 - 2020-02-14

- Breaking change: listen only to localhost by default to prevent unintended insecure configuration
- FIX: Avoid calling `hostname` aggressively, instead cache it on the exporter instance

0.4.17 - 2020-01-13

- FEATURE: add support for `to_h` on all metrics which can be used to query existing key/values

0.4.16 - 2019-11-04

- FEATURE: Support #reset! on all metric types to reset a metric to default

0.4.15 - 2019-11-04

- FEATURE: Improve delayed job collector, add pending counts
- FEATURE: New ActiveRecord collector (documented in readme)
- FEATURE: Allow passing in histogram and summary options
- FEATURE: Allow custom labels for unicorn collector

0.4.14 - 2019-09-10

- FEATURE: allow finding metrics by name RemoteMetric #find_registered_metric
- FIX: guard socket closing

0.4.13 - 2019-07-09

- Fix: Memory leak in unicorn and puma collectors

0.4.12 - 2019-05-30

- Fix: unicorn collector reporting incorrect number of unicorn workers

0.4.11 - 2019-05-15

- Fix: Handle stopping nil worker_threads in Client
- Dev: add frozen string literals

0.4.10 - 2019-04-29

- Fix: Custom label support for puma collector
- Fix: Raindrops socket collector not working correctly

0.4.9 - 2019-04-11

- Fix: Gem was not working correctly in Ruby 2.4 and below due to a syntax error

0.4.8 - 2019-04-10

- Feature: added helpers for instrumenting unicorn using raindrops

0.4.7 - 2019-04-08

- Fix: collector was not escaping " \ and \n correctly. This could lead
  to a corrupt payload in some cases.

0.4.6 - 2019-04-02

- Feature: Allow resetting a counter
- Feature: Add sidekiq metrics: restarted, dead jobs counters
- Fix: Client shutting down before sending metrics to collector

0.4.5 - 2019-02-14

- Feature: Allow process collector to ship custom labels for all process metrics
- Fix: Always scope process metrics on hostname in collector

0.4.4 - 2019-02-13

- Feature: add support for local metric collection without using HTTP

0.4.3 - 2019-02-11

- Feature: Add alias for Gauge #observe called #set, this makes it a bit easier to migrate from prom
- Feature: Add increment and decrement to Counter

0.4.2 - 2018-11-30

- Fix/Feature: setting a Gauge to nil will remove Gauge (setting to non numeric will raise)

0.4.0 - 2018-10-23

- Feature: histogram support
- Feature: custom quantile support for summary
- Feature: Puma metrics
- Fix: delayed job metrics

0.3.4 - 2018-10-02

- Fix: custom collector via CLI was not working correctly

0.3.3

- Feature: Add more metrics to delayed job collector

0.3.2

- Feature: Add posibility to set custom_labels on multi process mode

0.3.1

- Allow runner to accept a --timeout var
- Allow runner to accept a blank prefix

0.3.0

- Breaking change: Follow Prometheus metric [naming conventions](https://prometheus.io/docs/practices/naming/#metric-names)

0.1.15 - 2018-02-19

- Feature: Prefer to use oj if it is loadable

0.1.14 - 2018-02-17

- Fix: error when shipping summary metric with no labels
- Feature: runner was extracted so it can be reused @304