JFormDesigner/FlatLaf 0.35

on GitHub

Highlights

Drop shadows on popups (menus, tooltips, etc) and internal frames:

Error/warning borders:

Round components:

System icons in file chooser:

Change log

• Added drop shadows to popup menus, combobox popups, tooltips and internal
  frames. (issue #94)
• Support different component border colors to indicate errors, warnings or
  custom state (set client property JComponent.outline to error, warning
  or any java.awt.Color).
• Button and ToggleButton: Support round button style (set client property
  JButton.buttonType to roundRect).
• ComboBox, Spinner and TextField: Support round border style (set client
  property JComponent.roundRect to true).
• Paint nicely rounded buttons, comboboxes, spinners and text fields when
  setting Button.arc, Component.arc or TextComponent.arc to a large value
  (e.g. 1000).
• Added Java 9 module descriptor to flatlaf-extras-<version>.jar and
  flatlaf-swingx-<version>.jar.
• CheckBox and RadioButton: Flag opaque is no longer ignored when checkbox or
  radio button is used as table cell renderer. (issue #77)
• FileChooser: Use system icons. (issue #100)
• FileChooser: Fixed missing labels in file chooser when running on Java 9 or
  later. (issue #98)
• PasswordField: Do not apply minimum width if columns property is greater
  than zero.