Other B4J v4.50 is available for download


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New features and improvements:

  • Many improvements to the IDE docking framework, especially with floating documents that now behave like regular windows.
  • New themes.
  • Support for bookmarks:


  • URLs in comments or strings are clickable.
  • jControlsFX library was updated to latest version of ControlsFX.
  • Gzip compression for server responses (Server.GzipEnabled).
  • DosFilter - A filter that helps with protection against denial of service attacks.
    srvr.AddDoSFilter("/*", Null)
    See this link for more information: http://www.eclipse.org/jetty/documentation/9.4.x/dos-filter.html

  • RadioButtons added with the designer are grouped automatically based on their parent.
  • Bug fixes and other minor improvements.

B4J can be downloaded here: www.b4x.com/b4j.html