* configure.ac:
* meson.build: Require gtk4 >= 4.11.2.
* gdk/gdkmm.h: Add gltexturebuilder.h.
* gdk/gdkmm/meson.build:
* gdk/src/filelist.am: Add GLTextureBuilder.
* gdk/src/gltexture.hg: Deprecate create().
* gdk/src/gltexturebuilder.[ccg|hg]: New files.
* gtk/gtkmm.h: Add listheader.h and sectionmodel.h.
* gtk/gtkmm/meson.build:
* gtk/src/filelist.am: Add ListHeader and SectionModel.
* gtk/src/box.hg:
* gtk/src/boxlayout.hg: Add set/get/property_baseline_child().
* gtk/src/button.hg: Add set/get/property_can_shrink().
* gtk/src/centerbox.hg:
* gtk/src/centerlayout.hg: Add set/get/property_shrink_center_last().
* gtk/src/columnview.hg: Remove a _CONVERSION().
* gtk/src/filterlistmodel.hg:
* gtk/src/flattenlistmodel.hg: Add a TODO comment.
* gtk/src/glarea.hg: Deprecate set/get/property_use_es().
Add set/get/property_allowed_apis(), get/property_api().
* gtk/src/gridview.hg: Remove a _CONVERSION().
* gtk/src/listheader.[ccg|hg]: New files.
* gtk/src/listview.hg: Remov...