News in 5.19.0, 2025-02-23
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This is an unstable release for GNOME 50.rc

 * Annotations: draw a background behind annotations; align to the right
   when they fit (e.g. for diagnostics)
 * GObject Introspection: fix nullable and callback destroy annotations
   (get_location, get_match_style, scheduler, callbacks)
 * Fix gutter text renderer text layout snapshot deprecation
 * PHP language: highlight PHP 8.0 attributes and add new keywords
 * New language: Cornish
 * Translation updates