1.5.0 / 2025-10-14

• [FEATURE] Add --escaping command line flag to negotiate escaping schemes including full UTF-8 support for metric and label names. #240
• [ENHANCEMENT] Add --help and --version command line flags. #219

Besides the improvements above, this release comes with updated dependencies, and the pre-built binaries are using Go1.25.3, both to avoid potential security issues. (Note that this is just precaution. We do not know of any relevant vulnerabilities in v1.4.2.)

1.4.2 / 2025-04-09

• [BUGFIX] Fix formatting of error messages. #190

Besides the small fix above, this release comes with updated dependencies, and the pre-built binaries are using Go1.24.1, both to avoid potential security issues. (Note that this is just precaution. We do not know of any relevant vulnerabilities in v1.4.1.)

1.4.1 / 2024-09-19

There are no code changes in this release. It merely comes with updated dependencies, and the pre-built binaries are using Go1.23.1., both to avoid potential security issues. (Note that this is just precaution. We do not know of any relevant vulnerabilities in v1.4.0.)

1.4.0 / 2024-07-11

• [FEATURE] Support native histograms. #169
• [FEATURE] Support float histograms (classic and native). #176

This release also comes with updated dependencies, and the pre-built binaries are using Go1.22.5., both to avoid potential security issues. (Note that this is just precaution. We do not know of any relevant vulnerabilities in v1.3.3.)

1.3.3 / 2023-05-25

There are no code changes in this release. It merely comes with updated dependencies, and the pre-built binaries are using Go1.20.4., both to avoid potential security issues. (Note that this is just precaution. We do not know of any relevant vulnerabilities in v1.3.2.)

1.3.2 / 2022-10-07

There are no code changes in this release. It merely comes with updated
dependencies, and the pre-built binaries are using Go1.19.2., both to avoid potential security issues. (Note that this is just precaution. We do not know of any relevant vulnerabilities in v1.3.1.)

1.3.1 / 2022-04-19

There are no code changes in this release. It merely comes with updated
dependencies, and the pre-built binaries are using Go1.18.1., both to avoid potential security issues. (Note that this is just precaution. We do not know of any relevant vulnerabilities in v1.3.0.)

1.3.0 / 2019-12-21

• [ENHANCEMENT] Saner settings for the HTTP transport, based on the usual
  defaults, but with a ResponseHeaderTimeout of one minute. #72
• [BUGFIX] Close metric family channel in case of errors to prevent leaking a
  goroutine. #70

1.2.2 / 2019-07-23

• [FEATURE] Add ARM container images. #61
• [BUGFIX] Properly set the sum in a histogram. #65

1.2.1 / 2019-05-20

No actual code changes. Only a fix of the CircleCI config to make Docker
images available again.

• [BUGFIX] Fix image upload to Docker Hub and Quay.