Classic vs New UI Framework Heap Allocation Variance in Long-Running IntelliJ Sessions
Integration Boundary: UI Framework and JVM Memory Subsystem IntelliJ IDEA 2024.1+ ships with two supported UI frameworks: the Classic UI based on Swing and the New UI built on a modernized rendering pipeline. Both frameworks share the same JVM heap managed by the JetBrains Runtime (JBR 17/21), yet exhibit divergent memory consumption profiles during extended
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