The release contains new features, minor enhancements, and bug fixes including:
Agent 6.26.0
Support for trusted facts with the puppet lookup command
Added support for Red Hat Enterprise Linux 9 Beta (x86_64)
Added support for Windows Server 2022(x86_64).
PuppetDB 6.20.0
Added an optimization to improve the performance of the inventory endpoint when filtering on a trusted fact.
Server 6.18.0
Users can now enable module metrics collection via Dropsonde. To turn this on, configure dropsonde: { enabled: true } in puppetserver.conf. By default when enabled, Dropsonde collects metrics when the service is started and once a week thereafter.
For the full list of changes, check out the release notes: https://puppet.com/docs/puppet/6/release_notes_osp.html