• The calling convention for EnableNonClientDpiScaling was fixed
  • Bold frame around IDEA window, which appeared on non-HiDPI displays, was removed


Fixed issues

JBR-1260BugWrong calling convention for EnableNonClientDpiScaling in windows/native/sun/windows/awt.h
JBR-1351BugBorderless UI: Bold frame around IDEA window appears on non-HiDPI display

Known major and critical issues:


JBR-98BugLCD text rendering performance 8X slower than grayscale on windows 
JBR-186BugModal dialogs (Messages) shouldn't popup IDEA when another application is active 
JBR-232Bugjava/awt/event/KeyEvent/DeadKey/deadKeyMacOSX.java: IllegalArgumentException: invalid keyChar (Wrong number of key events) 
JBR-347BugIntelliJ IDEA 2016.2.3 fails to start on Windows XP SP3 after update 
JBR-498BugTwo tests against JInternalFrame fail on Windows & OSX due to unrecognized selector sent to instance 0x7fc4fb874310 
JBR-505Bug [HY ClassLib] testNextVisualPositionActionPerformedCaretDown - incorrect magic caret pos 
JBR-574BugCrash when close the window. Mac High Sierra Java8 
JBR-587BugIt is not possible to select java script language version for subfolder 
JBR-610BugVisual glitches on macOS in popup dialogs 
JBR-615BugIDEA from master crashed on Mac 
JBR-623BugCrash (macos), uptime was several days 
JBR-655Bugjava/awt/Toolkit/SunDisplayChangerLeakTest/SunDisplayChangerLeakTest.java intermittently fails due to weakSize < strongSize 
JBR-659Bug[HY_Functional] DefaultKeyboardFocusManagerTest: testDefaultKeyboardFocusManager_processKeyEvent failed to move focus to the next component 
JBR-661Bugjava/awt/Dialog/NonResizableDialogSysMenuResize/NonResizableDialogSysMenuResize.java intermittently throws NullPointerException 
JBR-670BugNative crash on system notification 
JBR-676BugDebugger is slow to start under Linux with the bundled JDK 
JBR-694Bug[macos] java/awt/event/KeyEvent/ExtendedKeyCode/ExtendedKeyCodeTest.java: Wrong extended key code 
JBR-704Bug[macos][scale2] javax/swing/text/html/HTMLEditorKit/4242228/bug4242228.java intermittently fails by timeout 
JBR-746BugIntelliJ Idea Ultimate 2018.1 Crashed on Linux x64 
JBR-767BugIDE Crashing on Indexing 2018.1 
JBR-953BugFocus goes behind 'Replace in Path' / "Find in path" dialogs 
JBR-1005BugIDEA crashes when opening Kotlin project for the second time 
JBR-1036BugFocus jumps when opening dialogs from Fullscreen IDEA on Mac OS 
JBR-1049BugIDEA crashes when open another project from full screen mode on mac os 
JBR-1051BugMarkdown editor freezes the IDE 
JBR-1102Bugjava/awt/Paint/ComponentIsNotDrawnAfterRemoveAddTest/ComponentIsNotDrawnAfterRemoveAddTest.java: 'paint' method of 60 components was not called. 
JBR-1147Bugjava/awt/FileDialog/FilenameFilterTest/FilenameFilterTest.htm: Filter was not called 
JBR-1150BugIDEA crashes in attempt to import Kotlin plugin project  

AtomicAppend tests fail on macOS 10.13 ("High Sierra")

The list of all known issues can be found here.