4.15.0 (unstable) 2024-08-01:

Gdk:
* Cursor: Add create(slot, fallback).
* Add class CicpParams, ColorState and MemoryTextureBuilder.
* DmabufTextureBuilder: Add get/set/property_color_state().
* GLTextureBuilder.[ccg|hg]: Add get/set/property_color_state().
* Texture: Add get/property_color_state().
* TextureDownloader: Add get/set_color_state().
  (Kjell Ahlstedt)

Gtk:
* Widget: Deprecate set/unset/get_font_options().
  (Kjell Ahlstedt)
* Paned: Add unset_start_child() and unset_end_child().
  (Kjell Ahlstedt) Issue #156 (PBS)
* Add enum FontRendering.
* GraphicsOffload: Add set/get/property_black_background().
* Settings: Add property_gtk_font_rendering().
* FileDialog: Add a nullptr test.
  (Kjell Ahlstedt)
* Undefine preprocessor macro BSD, which can be defined in MacOS,
  and can interfere with enum License::BSD.
  (Kjell Ahlstedt) Issue #157 (Mohamed Akram)
* Shortcut: Add set_action(). Deprecate the misnamed
  set_trigger(const Glib::RefPtr<const ShortcutAction>& action).
* Snapshot: Deprecate gl_shader_pop_texture().
  (Kjell Ahlstedt)

Demos:
* Dialog demo: Fix a memory leak. Add some comments.
  (Kjell Ahlstedt)

Documentation:
* Gdk::Cursor: Update the class description.
* Gtk::Settings: Improve the class documentation.
  (Kjell Ahlstedt)
* Don't link to removed parts of library.gnome.org.
  (Andre Klapper, Kjell Ahlstedt)

Build:
* Require gtk4 >= 4.15.4.
* Meson build: Require meson >= 0.62.0.
  Use Meson's pkgconfig module instead of using
  the *.pc.in templates.
  (Kjell Ahlstedt)