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  • added a support of opening project as tabs on Big Sur  JBR-2987JBR-2893
  • fixed several issues with keyboard on Apple with M1 chip JBR-2981JBR-2999
  • resolved a JCEF issue related to the rendering of md-files on Apple with M1 chip JBR-2991



JBR with JavaFX


(bundled by default) 

JBR with JavaFX+JCEF

JBR with JavaFX+JCEF


Linux x64

Linux aarch64-----
Linux x86-----
Windows x64
Windows x86-----
macOS x64
macOS aarch64- -


Fixed issues

  • JBR-2978 M1 ExceptionInInitializerError on macOS x86-64 & aarch64: java.desktop/sun.lwawt.macosx.CPlatformWindow.createPlatformResponder
  •   JBR-2981  Column Selection Mode not working with keyboard shortcut in 2020.3.1
  • JBR-2987 Big Sur: IDEA hangs after closing a project tab after exiting and entering full screen
  • JBR-2893  Big Sur: Add support of opening project as tabs
  • JBR-2991  Test jb/java/jcef/ fails on macOS aarch64 build with “JS Query was not handled in 2nd opened browser”
  • JBR-2999 IntelliJ M1: Pressing tab in Terminal to autocomplete is not working
  • JBR-2973 Copy/Move dialog not in the focus on drag-n-drop to Project Tool window from external application
  • JBR-3001  CefBrowserOsrWithHandler instantiation fails in headless

Known major and critical issues


  • JBR-745 Improve java2d rendering performance on macOS by using Metal framework
  • JBR-2717 IDE crash when JavaFX WebView loaded html with embedded base 64 image.
  • JBR-2773 SIGSEGV [libobjc.A.dylib+0x681d] objc_msgSend+0x1d with __NSThreadPerformPerform on top of stack
  • JBR-2947 IDEA crash on macOS: JCEF at cef_time_delta
  • JBR-2962 SIGILL at [libsystem_kernel] __kill - the upper Java frame com.sun.jna.Native.invokeLong


  • JBR-186 Modal dialogs (Messages) shouldn't popup IDEA when another application is active
  • JBR-694 [macos] java/awt/event/KeyEvent/ExtendedKeyCode/ Wrong extended key code
  • JBR-746 IntelliJ Idea Ultimate 2018.1 Crashed on Linux x64
  • JBR-947 javax/swing/plaf/basic/BasicComboPopup/7072653/ Popup window height is wrong
  • JBR-1049 IDEA crashes when open another project from full screen mode on mac os
  • JBR-1115 java/awt/Robot/MouseLocationOnScreen/ fails on Windows
  • JBR-1147 java/awt/FileDialog/FilenameFilterTest/FilenameFilterTest.htm: Filter was not called
  • JBR-1235 AtomicAppend tests fail on macOS 10.13 ("High Sierra")
  • JBR-1352 WebView rendering artifacts while resizing
  • JBR-1371 jb/java/awt/Toolkit/ became failing on new created MacOSX 10.13
  • JBR-1523 IDE Freeze. No events are pumped by EventDispatchThread. kill <pid> helps.
  • JBR-1559 Hotkeys with numbers number buttons stop to work
  • JBR-1577 IDE crashes on startup
  • JBR-1580 Performance drop on native fonts load
  • JBR-1581 KotlinNullPointerException in IDEA at local variable creation with JBR11, no NPE with JBR8
  • JBR-1606 JDK11 Compiler Thread crashes with SIGSEGV in libjvm.dylib
  • JBR-1614 Cmd+. produces unexpected 'a' keyPressed / keyTyped events
  • JBR-1635 Native file dialog does not work as an oppositeWindow properly
  • JBR-1661 LightBeam: performance degradation on Linux (10% - 90%)
  • JBR-1676 Caret disappears when switching windows using Command-Backtick System shortcut for "Move focus to next window"
  • JBR-1688 Activate Next Window (Cmd-tilde) does not work with non-english input source
  • JBR-1718 [MacOS] Desktop Handlers About/Preferences/etc. don't work
  •   JBR-1727 GoLand does not start on macOS 10.12
  • JBR-1748 AppCode 2019.2 freezes, must be force quit
  • JBR-1752 Floating windows overlap modal dialogs
  • JBR-1775 JBR uses old font version if it bundled
  • JBR-1785 Windows not drawing on i3 + VNC after 2019.2 update with JBR11
  • JBR-1800 [JBR11] java/awt/TextArea/TextAreaCaretVisibilityTest/ - The test for bug 71297422 failed
  • JBR-1816 WebView JSC hangs in Jupyter Notebook on macOS
  • JBR-1849 IDEA 2019.2 There is a problem with the key
  • JBR-1973 Focus is lost by editor on project opening
  • JBR-2013 PyCharm crashes upon opening Jupyter Notebook
  • JBR-2052 Strange columns separators in native file dialog on macOS
  • JBR-2123 JDK11 Focus jumps when opening dialogs from Fullscreen IDEA on Mac OS
  • JBR-2174 JRE crashes (SIGBUS at in WatcherThread)
  • JBR-2190 Random crash with IntelliJ Ultimate 2019.3.3 on Windows 10 EXCEPTION_ACCESS_VIOLATION in C2 CompilerThread0
  • JBR-2204 TextLayout.getPixelBounds returns incorrect bounds if context transform is scaled
  • JBR-2207 TitledBorder leaks PropertyChangeListener
  • JBR-2238 Intellij outputs wierd characters for keys that are should not output anything
  • JBR-2285 IntelliJ IDEA 2020.1 Ultimate can't start
  • JBR-2292 ColoredTreeCellRenderer takes a lot of time computing stringWidth
  • JBR-2422 Rendering problem on our JDK in full screen mode.
  • JBR-2500 Random crashes on opening *.md file on Ubuntu
  • JBR-2580 Huge rendering artifacts on Ubuntu 20.04/HiDpi
  • JBR-2600 SIGSEGV in [] at Java frames sun.awt.X11.XlibWrapper.*
  • JBR-2610 The java/awt/Window/GetScreenLocation/ fails after 11.0.8 CPU
  • JBR-2632 Wrong kerning with the macOS system font on Catalina
  • JBR-2676 Function buttons disappear in touchbar moving IDE window back and forth
  • JBR-2722 Visual artifacts, black boxes in Linux/Chrome OS
  • JBR-2749 [mac] jcef hangs on shutdown
  • JBR-2752 Broken spacing on FullHD monitors on macOS
  • JBR-2829 Low font rendering quality on FullHD display in macOS
  • JBR-2933 Emoji symbols are not rendered in JCEF panel
  • JBR-2945 KDE Global Menu does not work. But it's work with PhpStorm
  • JBR-2976 JCEF does not render or execute JS in certain HTML
  • JBR-2986 M1 javax/swing/JMenu/ menu has not cleared the reference
  • JBR-2992 PyCharm Freezing: "WARN - .diagnostic.PerformanceWatcher - UI was frozen for..."
  • JBR-2993  M1 java/awt/event/KeyEvent/KeyTyped/CtrlASCII.html: Unexpected keychar: \u0000
  • JBR-2996 M1 warnings: CoreText note: Client requested name ".SFCompact-Black", it will get Times-Roman rather than the intended font
  • JBR-2997 M1 javax/swing/JComboBox/6607130/ JComboBox is showing after item selection

The list of all known issues can be found here.

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