News in 3.99.3
--------------

This is an intermediate version towards GtkSourceView 4.0. GtkSourceView 4.0
will still depend on GTK+ 3, but the release date is not yet determined. See
the roadmap for more details:
https://wiki.gnome.org/Projects/GtkSourceView/RoadMap

* Bug fix in GtkSourceGutterRendererPixbuf.
* Fixes for bugs found by Coverity.
* Build fixes on MS Windows.
* New syntax highlighting definition files for: ABNF, HAXE and Django template.
* Improvements to the syntax highlighting of: Meson, CSS, ini, Rust and
  JavaScript.
* Improvements to the build system.
* Translation updates.