Release v2.21.3

Notification

• execute the command to run scouter client for Mac(OSX) xattr -cr scouter.client.app
• The following JAVA environment variable must be added to dynamically load SCRIPT PULGIN in a JAVA PROCESS running in JAVA 11 or later environments.
• --add-opens=java.base/java.lang=ALL-UNNAMED --add-exports=java.base/sun.net=ALL-UNNAMED
• To generate a thread dump via scouter in a java 11 or later environment, the following java environment variable must be added.
• -Djdk.attach.allowAttachSelf=true
• On issue to display xlog list table, remove the directory ~/.scouter/xlogcolumnfile/. (@user.home/scouter/xlogcolumnfile/ on Windows)

What's New

Scouter Client Modernization

Eclipse Platform Upgrade to 2025-12

• Upgraded Eclipse RCP platform from 2024-03 to 2025-12
• Upgraded Tycho build plugin from 4.0.8 to 5.0.1
• Minimum Java version increased from 17 to 21
• Removed unnecessary Search and Run default menus for cleaner UI

Enhanced Group Management Dialog

• Added search filter functionality to unselected object list
• Improved filtering accuracy when applying group changes
• Increased dialog table size for better visibility (250x300 → 375x450)

HiDPI Display Support

• Fixed HiDPI rendering issues for high-resolution displays

Build & Tooling

• Bumped version to 2.21.3 across modules
• Aligned Java/Scala tooling for Java 21 builds
• Set maven.compiler.release=21
• Added Javadoc executable configuration for Java 21
• Added scala-compiler (provided) and fixed scala plugin version usage

Developer Experience

• Updated Eclipse classpath for m2e compatibility
• Ignored AGENTS.md in git

Full Changelog: v2.21.2...v2.21.3