v262.19039.1

Release candidate 262.19039.1

This is a release candidate for PMC review and voting.

Changes

Changed

• Update platformVersion to 2026.2
• Change since/until build to 262-262.* (2026.2 only)
• Upgrade JVM toolchain and CI Java version to 25
• Dependencies - upgrade org.jetbrains.intellij.platform to 2.18.1
• Dependencies - upgrade org.jetbrains.kotlin.jvm to 2.3.0
• Dependencies - upgrade Qodana linter image to jetbrains/qodana-jvm:2026.2-eap
• Dependencies - declare IntelliJ Platform 2026.2 v2 content modules intellij.javascript.parser, intellij.javascript.backend, intellij.javaee.jsp.shared, intellij.css, and intellij.css.backend (#103)
• Add IntelliJ Show Diagram support for Struts 2 configs via com.intellij.diagram, alongside the existing Diagram editor tab for comparison (#117)
• Show Diagram Struts config nodes use compact icon+label chrome instead of empty UML class boxes (#120)
• Show Diagram uses a left-to-right hierarchic layout by default for Struts config graphs (#122)
• Show Diagram action → result edges use directed arrowheads while keeping package → action as dashed dependencies (#125)
• Show Diagram no longer auto-refreshes on struts.xml Dom edits; use the platform Refresh Data Model action after editing (#126)
• Replace remaining deprecated ReadAction.compute(ThrowableComputable) Show Diagram call sites with ReadAction.nonBlocking().executeSynchronously()
• Drop deprecated DiagramExtras.createNodeComponent(..., Point, ...) override; keep the NodeRealizer overload for compact Show Diagram nodes
• Dependencies - hard-depend on com.intellij.diagram (Ultimate Diagrams)

Fixed

• Fix Show Diagram stale result path labels after Refresh Data Model following copy-paste / path edits (#126)
• Fix Show Diagram cramped multi-result edge labels under left-to-right layout (#128)

Installation

Download the plugin zip file and install it manually in IntelliJ IDEA via:
Settings → Plugins → ⚙️ → Install Plugin from Disk...

Voting

Once testing is complete, promote this pre-release to a full release to
trigger publication to the JetBrains Marketplace Stable channel.