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deps/telemetry_metrics/CHANGELOG.md

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+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.6.1](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.6.1)
+
+### Added
+
+* Support latest telemetry
+
+## [0.6.0](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.6.0)
+
+This release brings an improvement that helps to track metrics based on event's metadata.
+The `:measurement` option now accepts a two-arity function that takes both event measurements
+and metadata, and returns a final measurement to be tracked by the metric.
+
+Starting with this version Telemetry.Metrics requires minimum Elixir  1.7.0.
+
+### Changed
+
+* Extended the `:measurement` option to accept a function taking both event measurements
+  and metadata.
+
+## [0.5.0](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.5.0)
+
+This release brings two new metric options, `:keep` and `:drop`, which allow users to specify
+which telemetry events should be taken into account when collecting metrics. Reporters
+supporting this version of `Telemetry.Metrics` need to respect these filtering rules.
+
+In addition, the requirement to specify the distribution buckets has been dropped, since not
+all reporters require configuration of buckets up front. Reporters which need the buckets to
+be defined on the metric struct should accept it via `:reporter_options`.
+
+### Added
+
+* `:keep` and `:drop` options to filter events based on metadata
+
+### Removed
+
+* the `:buckets` option on the distribution metric
+
+## [0.4.2](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.4.2)
+
+### Fixed
+
+* fixed a bug where unit conversion would fail if the measurement was missing
+
+## [0.4.1](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.4.1)
+
+### Fixed
+
+* fixed a bug where unit conversion would fail if the measurement was `nil`
+
+## [0.4.0](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.4.0)
+
+### Added
+
+* add `:reporter_options` option to all metric definitions for supplying reporter-specific
+  configuration
+
+### Changed
+
+* `Telemetry.Metrics.t` type is now defined as a union of base metric definitions provided by
+  the library
+
+## [0.3.1](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.3.1)
+
+### Added
+
+* Add support for bytes, kilobytes and megabytes conversion
+
+## [0.3.0](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.3.0)
+
+### Added
+
+* add `Telemetry.Metrics.ConsoleReporter` as an example reporter that prints data to the terminal
+* add `summary/2` metric type
+* add shortcut representation for `:buckets` in the `distribution/2` metric
+
+## [0.2.1](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.2.1)
+
+### Fixed
+
+* dialyzer no longer fails on valid calls to `distribution/2` with `:buckets` option
+
+## [0.2.0](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.2.0)
+
+This release makes the library compatible with Telemetry v0.4.0. This means that metric values are
+now based on one of the measurements. The first argument to all metric definition now specifies
+the metric name, but also the source event name and the measurement - however, both of them can be
+overridden using options.
+
+### Added
+
+* support for Telemetry v0.4.0 - the measurement can be configured indirectly via metric name or a
+  `:measurement` option
+* `:tag_values` option to apply final transformations to event metadata before it's used for tags
+* `:event_name` and `:measurement` to override event name and measurement set via metric name
+* ability to convert time unit of measurement via `:unit` option
+
+### Changed
+
+* first argument to all metric definitions is a metric name instead of event name
+* `:unit` option now also accepts a tuple specifying the conversion of time unit of measurement
+
+### Removed
+
+* `:metadata` option - `:tag_values` can be used to transform event metadata now instead
+
+## [0.1.0](https://github.com/beam-telemetry/telemetry_metrics/tree/v0.1.0)
+
+### Added
+
+* four metric specifications, `counter/2`, `sum/2`, `last_value/2` and `distribution/2`