Fix ClassNotFoundException: io.jenkins.cli.shaded.org.w3c.dom.Node when using JAXB.
issue 67470
Launch only one agent to satisfy cloud agent requests that use label expressions.
issue 67635
Enhancement
Upgrade the XStream library from 1.4.18 to 1.4.19.
Addresses the CVE-2021-43859 security vulnerability when unmarshalling highly recursive collections or maps causing a Denial of Service.
pull 6231, XStream 1.4.19 changelog, XStream CVE-2021-43859