News in 5.9.0, 2023-09-01
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5.9.0 is a release candidate for GNOME 45.

 * Documentation improvements
 * Various introspection improvements
 * New languages: Blueprint
 * Updated languages: C, C++, Rust, Python3, Shell, Java, OCaml
 * Updated style schemes: cobalt
 * GtkSourceBuffer gained a "loading" property which is
   toggled when GtkSourceFileLoader is loading the buffer
   from storage.
 * More defensiveness improvements in GtkSourceBufferOutputStream.
 * A leak in Vim emulation has been fixed.
 * Vim emulation now supports visual replace.
 * Scheduling of batched workers has been improved with
   gtk_source_scheduler_add().
 * Snippets are now initialized from GtkSourceView.constructed()
   to allow for applications to hook buffer creation.
 * Translation updates