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CHANGELOG.md

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Changelog

This file contains individual changes for the OpenTelemetry.Exporter.Prometheus.HttpListener package. For highlights and announcements covering all components see: Release Notes.

Unreleased

1.10.0-beta.1

Released 2024-Nov-12

  • Added meter-level tags to Prometheus exporter (#5837)

  • Updated OpenTelemetry core component version(s) to 1.10.0. (#5970)

1.9.0-beta.2

Released 2024-Jun-24

  • Fixed a bug which lead to empty responses when the internal buffer is resized processing a collection request (#5676)

1.9.0-beta.1

Released 2024-Jun-14

1.9.0-alpha.2

Released 2024-May-29

  • Fixed issue with OpenMetrics suffixes for Prometheus (#5646)

1.9.0-alpha.1

Released 2024-May-20

  • Fixed an issue with corrupted buffers when reading both OpenMetrics and plain text formats from Prometheus exporters. (#5623)

1.8.0-rc.1

Released 2024-Mar-27

  • Fix serializing scope_info when buffer overflows (#5407)

  • Add target_info to Prometheus exporters when using OpenMetrics (#5407)

1.8.0-beta.1

Released 2024-Mar-14

  • Added option to disable _total suffix addition to counter metrics (#5305)

  • Export OpenMetrics format from Prometheus exporters (#5107)

  • For requests with OpenMetrics format, scope info is automatically added (#5086 #5182)

  • Breaking change Updated the PrometheusHttpListener to throw an exception if it can't be started. (#5304)

1.7.0-rc.1

Released 2023-Nov-29

1.7.0-alpha.1

Released 2023-Oct-16

  • Fixed writing boolean values to use the JSON representation (#4823)

1.6.0-rc.1

Released 2023-Aug-21

1.6.0-alpha.1

Released 2023-Jul-12

1.5.0-rc.1

Released 2023-May-25

1.5.0-alpha.2

Released 2023-Mar-31

1.5.0-alpha.1

Released 2023-Mar-07

1.4.0-rc.4

Released 2023-Feb-10

1.4.0-rc.3

Released 2023-Feb-01

1.4.0-rc.2

Released 2023-Jan-09

1.4.0-rc.1

Released 2022-Dec-12

1.4.0-beta.3

Released 2022-Nov-07

1.4.0-beta.2

Released 2022-Oct-17

1.4.0-beta.1

Released 2022-Sep-29

  • Bug fix for Prometheus Exporter reporting StatusCode 204 instead of 200, when no metrics are collected (#3643)

  • Added overloads which accept a name to the MeterProviderBuilder AddPrometheusHttpListener extension to allow for more fine-grained options management (#3648)

  • Added support for OpenMetrics UNIT metadata (#3651)

  • Added "# EOF\n" ending following the OpenMetrics specification (#3654)

1.4.0-alpha.2

Released 2022-Aug-18

  • Split up Prometheus projects based on its hosting mechanism, HttpListener and AspNetCore, into their own projects and assemblies. (#3430 #3503 #3507)

  • Fixed bug #2840 by allowing + and * to be used in the URI prefixes (e.g. "http://*:9184"). (#3521)

1.3.0-rc.2

Released 2022-June-1

1.3.0-beta.2

Released 2022-May-16

1.3.0-beta.1

Released 2022-Apr-15

  • Added IApplicationBuilder extension methods to help with Prometheus middleware configuration on ASP.NET Core (#3029)

  • Changed Prometheus exporter to return 204 No Content and log a warning event if there are no metrics to collect.

  • Removes .NET Framework 4.6.1. The minimum .NET Framework version supported is .NET 4.6.2. (#3190)

1.2.0-rc5

Released 2022-Apr-12

1.2.0-rc4

Released 2022-Mar-30

1.2.0-rc3

Released 2022-Mar-04

1.2.0-rc2

Released 2022-Feb-02

  • Update default httpListenerPrefixes for PrometheusExporter to be http://localhost:9464/. (#2783)

1.2.0-rc1

Released 2021-Nov-29

  • Bug fix for handling Histogram with empty buckets. (#2651)

1.2.0-beta2

Released 2021-Nov-19

  • Added scrape endpoint response caching feature & ScrapeResponseCacheDurationMilliseconds option (#2610)

1.2.0-beta1

Released 2021-Oct-08

1.2.0-alpha4

Released 2021-Sep-23

1.2.0-alpha3

Released 2021-Sep-13

1.2.0-alpha2

Released 2021-Aug-24

  • Revamped to support the new Metrics API/SDK. Supports Counter, Gauge and Histogram.

1.0.0-rc1.1

Released 2020-Nov-17

  • Initial release