3.2.4 (stable):

* Document, Node: Recognize HTML documents
  (Kjell Ahlstedt) Issue #23 (rkd77)
* Parsers: Avoid std::getline for istream inputs
  (Andrew Potter) Pull request #28

Build:
* Meson build: When mm-common >= 1.0.4 is used, Perl is not required
  (Kjell Ahlstedt)
* Win32: Don't include afxres.h in resources
* Support Visual Studio 2022
  (Chun-wei Fan)
* Meson build: Require meson >= 0.55.0
* Meson build: Specify 'check' option in run_command()
  Will be necessary with future versions of Meson.
* Meson build: Avoid configuration warnings
* docs/manual: Sort example file lists
  See https://gitlab.gnome.org/GNOME/gtkmm-documentation/-/merge_requests/15
  by Bernhard M. Wiedemann
  (Kjell Ahlstedt)
* NMake Makefiles: Make things more configurable
  (Chun-wei Fan) Issue #44 (lxxxd)

Documentation:
* docs/manual: Upgrade from DocBook 4.1 to DocBook 5.0
  (Kjell Ahlstedt)
* MSVC_NMake/README: Document dependency placement
  (Chun-wei Fan) Issue #44 (lxxxd)