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Release Notes

VisualVM 2.1.4 has been released on July 19th, 2022. This document describes changes introduced by this release.

System Requirements

Supported OS:

  • Microsoft Windows
  • Linux: Intel platform, ARM HFLT, AArch64
  • macOS: Intel platform, Apple M1

Required Software:

  • Oracle JDK 8~18
  • OpenJDK 8~18
  • GraalVM 19~22

Changes

Features and Enhancements:

  • HeapViewer improvements:
    • GH-413: [HeapViewer] Sample different elements from large arrays when inspecting a heap dump
    • GH-409: [HeapViewer] Try to improve the accuracy of the instance size
    • GH-407: [HeapViewer] Improve preview for byte[] arrays.
    • GH-404: [HeapViewer] Add UI for working with multi-heap dumps.
    • GH-402: [HeapViewer] Display number of elements for java.util.Properties

Fixed Bugs:

  • GH-412: ArrayIndexOutOfBoundsException on Memory Snapshot Diff Class Expansion
  • GH-410: Wrong metaspace max values visualisation
  • GH-406: Allow to use HeapProgress in head-less environment
  • GH-405: Add API to get number of dumps stored in multi-heap dump file.
  • GH-398: Missing known blocking method in KQueue
  • GH-187: Taking Heap Dump does not work for tunnelled connection to a remote host

Known Problems

To view all known problems please see the VisualVM Issues page.

To resolve the most common problems please follow the Troubleshooting Guide.