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Release Notes

VisualVM 2.0.7 has been released on April 20th, 2021. 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 8~16
  • OpenJDK 8~16
  • GraalVM 19~21


Features and Enhancements:

  • GH-260: Full support for running on JDK 16 and monitoring/profiling Java 16 processes
  • GH-262: Add support for Apple M1
  • GH-270: Import of plugins from previous VisualVM version
  • GH-275: Add information about enabled modules
  • GH-279: Add partial progress for retained sizes computation
  • GH-254: Branding of updater splash
  • Stack trace for Python
  • HeapViewer - logical value added Instant, Attributes$Name, FDBigInteger, java.lang.module
  • HeapViewer - logical value for java.util classes - collections now display number of elements
  • Application recognizer for Gradle
  • Application recognizers for JDK tools updated

API Changes:

  • GH-282: Add generics to public API of org.graalvm.visualvm.lib.jfluid.heap package
  • GH-283: Add a way to obtain Heap from Instance

Fixed Bugs:

  • GH-127: Incorrect max heap for G1GC
  • GH-257: "Opening snapshot failed." due to incomplete compressed data read
  • GH-263: Retained size calculated as negative
  • GH-268: Detect that VisualVM is running on Eclipse OpenJ9
  • GH-272: References are computed without progressbar
  • GH-273: NPE: Cannot invoke "java.lang.management.MemoryMXBean.gc()"
  • GH-274: Logical value: '...' added to complete string
  • GH-276: Missing known blocking method
  • GH-277: Incorrect horizontal scrolling
  • GH-278: NPE at LongBuffer.startReading()
  • GH-280: Incorrect selection background color on macOS
  • HeapViewer - logical value fixed for PythonModule, SourceImpl$Key, InetSocketAddress, BigDecimal
  • Memory sampler - improved refreshing under heavy load
  • Improved detection of IntelliJ applications

Known Problems

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

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