What’s New in JavaFX 15?

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Bruno Lowagie

Bruno Lowagie is the original developer of iText, an open source PDF library. Currently, he's helping tech startups, making them investor-ready.

A couple of weeks ago, JavaFX version 15 was released.

Highlights

These are some of the highlights we’ve selected for you:

  • JavaFX now has 3D support for the newer Intel graphics drivers on Linux,
  • Support for e-paper displays on i.MX6 devices was added,
  • FX scripting support was enhanced.

Enhancements

These are some of the improvements that were implemented in JavaFX 15:

  • Better native keyboard handling and integration on iOS and Android,
  • Adjusted font size in JavaFX apps with enabled Monocle on Raspberry Pi,
  • Capped the refresh rate on iOS (to a maximum of 30 Hz).

Code Cleanup

With every new release, a code cleanup is done, for instance:

  • The JavaBeanXxxPropertyBuilders constructors were removed,
  • The deprecated finalize() methods from JavaFX property objects were removed,
  • Some unnecessary logging, e.g. for pinch gestures on iOS, is now skipped.

Bug Fix

In the bug fix department, you’ll find, among others:

  • A fix for the SVG patterns that were drawn incorrectly.
  • A solution for some inconsistencies with controls, such as the incorrect arrow key traversal through tabs after reordering the tabs in a TabPane, the lost formatting when using Ctrl-A in HTMLEditor, and the wrong Scrollbar position on touch supported devices.
  • A fix for memory leaks, e.g. in the ProgressIndicator class, in the ToggleButton.setToggleGroup() method, and in some other places.
  • Better code hygiene to avoid exceptions such as an IndexOutOfBoundsException when requesting focus on an empty bar, a StringOutOfBoundsException when adding a ChangeListener to TextField.selectedTextProperty(), possible NullPointerExceptions in TabPaneSkin.perfromDrag(), in the MenuButtonSkinBase change listener, and while entering empty submenu with "arrow right".

Dependency Upgrades

Finally, these are some of the dependency upgrades in JavaFX 15:

  • Upgraded libFFI to version 3.3,
  • Upgraded SQLite to version 3.32.3,
  • Upgraded WebKit to version 609.1,
  • Upgraded libxml2 to version 2.9.10

Conclusion

A more comprehensive list of all the changes in JavaFX 15 can be found on Github: 

https://github.com/openjdk/jfx/blob/master/doc-files/release-notes-15.md

Kudos go to the fine people at Gluon who took care of the bulk of the work on JavaFX 15.

Check their website if you need support for JavaFX: https://gluonhq.com/services/javafx-support/

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