Log Message:
Update:

4.13.4
======
- Fix missing gresource file in release tarball (Bug #13705)
- Add Vala support (Vidar Haarr)
- Fix gladeui2 path detection (Bug #13944)
- Fix make distcheck (Bug #14039)
- Fix incorrect use of AC_ARG_ENABLE(tests..) (Bug #13703)
- Use BOOLEAN instead of deprecated BOOL
- Allows to properly show some characters, such as ampersand (Bug #12715)
- Add api indices in gtk-doc
- Translation Updates: Amharic, Arabic, Asturian, Bulgarian, Catalan, Czech, \ 
Danish, German, Greek, English (Australia), English (United Kingdom), Spanish, \ 
Basque, Finnish, French, Galician, Hebrew, Croatian, Hungarian, Indonesian, \ 
Icelandic, Italian, Japanese, Kazakh, Korean, Lithuanian, Malay, Norwegian \ 
Bokmål, Dutch, Norwegian Nynorsk, Occitan (post 1500), Polish, Portuguese, \ 
Portuguese (Brazil), Romanian, Russian, Slovak, Slovenian, Serbian, Swedish, \ 
Telugu, Thai, Turkish, Uighur, Ukrainian, Chinese (China), Chinese (Hong Kong), \ 
Chinese (Taiwan)

4.13.3
======
- Fix make distcheck with gladeui2 install path
- Add an --enable-tests option
- Remove the filterout from introspection sources
- Move gresource building out of maintainer mode
- Fix condition in confirm dialog
- Add POTFILES.skip to appease gmake distcheck gods on OpenBSD
- ship libxfce4ui.gresource.xml in the tarball too
- Add libxfce4ui-marshal.list to EXTRA_DIST to fix
  --enable-maintainer-mode on released tarballs
- Fix build error with --disable-gtk2
- Translation updates: bg, cs, fr, it, ca, hr, it, da, ru.

4.13.2
======
- Fix build error with --disable-gtk3 Bug #12648
- Improve layout of labels in xfce dialogs
- Set a reasonable default window width to make sure labels wrap
- Improve vertical alignment of primary and secondary label
- Bump the default dialog width to 500px
- Update libxfce4ui documentation
- Fix make docs compilation warning
- Fix xfce_dialog_show_help(_with_version) doc
- Remove Makefile.am space to fix autogen.sh warning
- Better documentation processing
- Change xfce_dialog_show_help(_with_version)
- Default debug to yes instead of full
- Remove exo dependancy Bug #13326
- fix: add libxfce4ui_get_resource to abi check symbols Bug #13326
- Let autotools find and invoke glib-compile-resources Bug #13326
- Add support for GOBJECT-INTROSPECTION Bug #13461
- Add GtkDoc checks
- Add missing introspection.m4 file
- fix: make distcheck
- fix: remove deprecation warnings
- feat: Switch to Gtk3 default, Gtk2 Optional
- Rename introspection GIR to 4ui-2.0 to match util
- Translation updates: am ast ca da el eu fi gl id it ko lt ms nn
                       oc pl pt ro ru sl sr th zh_CN zh_TW