macOS: re-enabled rounded popup border (see PR #772) on macOS 14.4+ (was disabled in 3.5.x)

deferred rounded border setup, if popup window is not yet created, could make a difference (see commit 656d25b75e)

CHANGELOG.md

@@ -5,6 +5,8 @@ FlatLaf Change Log
 
 #### New features and improvements
 
+- macOS: Re-enabled rounded popup border (see PR #772) on macOS 14.4+ (was
+  disabled in 3.5.x).
 - CheckBox: Support styling indeterminate state of
   [tri-state check boxes](https://www.javadoc.io/doc/com.formdev/flatlaf-extras/latest/com/formdev/flatlaf/extras/components/FlatTriStateCheckBox.html).
   (PR #936; issue #919)

flatlaf-core/src/main/java/com/formdev/flatlaf/FlatSystemProperties.java

@@ -141,7 +141,7 @@ public interface FlatSystemProperties
 	 * (requires Windows 11 or macOS)
 	 * <p>
 	 * <strong>Allowed Values</strong> {@code false} and {@code true}<br>
-	 * <strong>Default</strong> {@code true}; except on macOS 14.4+ where it is {@code false}
+	 * <strong>Default</strong> {@code true}; except in FlatLaf 3.5.x on macOS 14.4+ where it was {@code false}
 	 *
 	 * @since 3.5.2
 	 */

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatPopupFactory.java

@@ -365,14 +365,8 @@ public class FlatPopupFactory
 	}
 
 	private static boolean isMacOSBorderSupported() {
-		// do not use rounded border on macOS 14.4+ because it may freeze the application
-		// and crash the macOS WindowServer process (reports vary from Finder restarts to OS restarts)
-		// https://github.com/apache/netbeans/issues/7560#issuecomment-2226439215
-		// https://github.com/apache/netbeans/issues/6647#issuecomment-2070124442
-		boolean isMacOS_14_4_orLater = (SystemInfo.osVersion >= SystemInfo.toVersion( 14, 4, 0, 0 ));
-
 		return SystemInfo.isMacOS &&
-			FlatSystemProperties.getBoolean( FlatSystemProperties.USE_ROUNDED_POPUP_BORDER, !isMacOS_14_4_orLater ) &&
+			FlatSystemProperties.getBoolean( FlatSystemProperties.USE_ROUNDED_POPUP_BORDER, true ) &&
 			FlatNativeMacLibrary.isLoaded();
 	}