Detailed changes can always be found in the Detailed Change Log, but here are some of the major features of this version.
Updated html/css edit modes with HTML5/CSS3 keywords.
Localization - jEdit now supports switching between default locale, French, German, Czech, and Japanese. Some translations for those locales are provided, containing common jEdit labels. It is also now possible to add new or contribute to existing translation property files for jEdit core as well as for plugins.
Keymaps - named collections of shortcuts. Example keymaps for Emacs, MacOS, Intellij and classic jEdit are provided, and users can create or customize them.
New Editing options: Disable or simplified automatic indentation, and default response when opening a large file.
Added a dozen new edit modes, updated a dozen more.