Update version number for the 4.4.0 release.

doc/en/Developer/Development_history.md

@@ -4,7 +4,7 @@ For current and future plans, see [Development track](Development_track.md) and
 
 ## Version 4.4
 
-To be released X 2022
+Released July 2022.
 
 Major rewrite of the PRT and CASText systems, focus on performance and limitations of the previous systems.
 

doc/en/Developer/Future_plans.md

@@ -4,7 +4,7 @@ How to report bugs and make suggestions is described on the [community](../About
 
 Note, where the feature is listed as "(done)" means we have prototype code in the testing phase.
 
-## Features to add for STACK 4.4 or later ##
+## Features to add for STACK 4.5 or later ##
 
 ### Units inputs ###
 

stack/maxima/stackmaxima.mac

@@ -3363,4 +3363,4 @@ is_lang(code):=ev(is(%_STACK_LANG=code),simp=true)$
 
 /* Stack expects some output with the version number the output happens at */
 /* maximalocal.mac after additional library loading */
-stackmaximaversion:2022060300$
+stackmaximaversion:2022071300$

version.php

@@ -24,12 +24,12 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2022060300;
+$plugin->version   = 2022071300;
 $plugin->requires  = 2020061500;
 $plugin->cron      = 0;
 $plugin->component = 'qtype_stack';
-$plugin->maturity  = MATURITY_ALPHA;
-$plugin->release   = '4.4.0 (alpha) for Moodle 3.9+';
+$plugin->maturity  = MATURITY_STABLE;
+$plugin->release   = '4.4.0 for Moodle 3.9+';
 
 $plugin->dependencies = array(
     'qbehaviour_adaptivemultipart'     => 2020103000,