v6.64.0 (2026-05-04)
Changed
- Update buildkite-agent to v3.125.0 #1776 (renovate[bot])
- Update aws-cli to v2.34.41 #1774 (renovate[bot])
- Update go toolchain directive to v1.26.2 #1775 (renovate[bot])
Agent Changelog
v3.125.0 (2026-05-04)
Added
- Multipart S3 download for faster artifact downloads #3875 (@buildkate)
- New
--fail-on-missing-tagsflag (andBUILDKITE_AGENT_FAIL_ON_MISSING_TAGSenv var) to exit the agent on startup if a configured cloud tag source (EC2/ECS/GCP) returns no tags #3801 (@omehegan) - Automatic tracing for CLI subcommands (e.g.
artifact upload,pipeline upload) whenBUILDKITE_TRACING_BACKEND=opentelemetryand aTRACEPARENTis present #3866 (@ss1909) - Register
application/zstdMIME type for.zstartifact uploads #3864 (@ladd)
Fixed
- Preserve literal percent sequences in JSON job logs (previously rewritten by Go format-string handling) #3877 (@friel-openai)
Internal
- Remove Bazel from the agent build #3873 (@moskyb)
- Rename
logger.Loggermethods to end inf(e.g.Debugf,Infof) #3878 #3881 (@DrJosh9000, @buildkate) - Separate OTel provider provisioning from span generation #3880 (@ss1909)
- Only log the first stream connection to reduce log noise #3872 (@moskyb)
- Remove and prevent use of assert libraries (testify) #3858 (@DrJosh9000)
- Bump go-pipeline to v0.17.0 #3865 (@CerealBoy)
Upgrading
Perform a CloudFormation stack update with the following URL:
https://s3.amazonaws.com/buildkite-aws-stack/v6.64.0/aws-stack.yml
If you want to launch a new stack, you can use this link (make sure not to use your production AWS account, create a new one for CI):