src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

*** 672,681 ****
--- 672,682 ----
                  owner.execute(ownerPtr -> {
                      execute(ptr -> {
                          CWrapper.NSWindow.orderWindow(ptr, CWrapper.NSWindow.NSWindowAbove, ownerPtr);
                      });
                  });
+                 execute(CWrapper.NSWindow::orderFront);
                  applyWindowLevel(target);
              }
  
              // Order my own children above myself
              for (Window w : target.getOwnedWindows()) {