Document changes and release 3.24.27-1pureos3

debian/changelog

+gtk+3.0 (3.24.27-1pureos3) byzantium; urgency=medium
+
+  * gdk/wayland: Take transform into account when setting physical size
+  * gtkapplication-dbus: Fetch inital screen saver state async
+    (Upstream MR: https://gitlab.gnome.org/GNOME/gtk/-/merge_requests/3599)
+
+ -- Guido Günther <agx@sigxcpu.org>  Fri, 28 May 2021 11:59:37 +0200
+
 gtk+3.0 (3.24.27-1pureos2) byzantium; urgency=medium
 
   * Make GtkShortcutsWindow adaptive