Changelog for 2.321

What's new in 2.321 (2021-11-16)

• Modernise the table design and add support for Ionicons. (pull 5851)
• Remove superfluous user interface elements, including images, mask-icon, and unnecessary resize handles. (pull 5777)
• Only apply trimLabels operation to affected nodes when adding or removing them. (issue 67099)
• Maven tool configuration works again (regression in 2.320). (issue 67109)
• Show ongoing first build in build history (regression in 2.314). (issue 66969)
• Fix filtering in update tab of plugin manager (regression in 2.320). (pull 5908)
• Permit additional safe types in agent to controller access control (regression in 2.320). (issue 67105)
• Developer: Upgrade the Guice library from 4.0 (released April 28, 2015) to 5.0.1 (released March 2, 2021). (pull 5858, Guice library, Guice 5.0.1 release notes)
• Developer: Bump spring-security-bom from 5.5.3 to 5.6.0. (pull 5921, Spring project spring-security 5.6.0-RC1 release notes, Spring project spring-security 5.6.0 release notes)