Update the version numbers for the v4.8.3 release.

Readme.md

-# STACK 4.8.2
+# STACK 4.8.3
 
 STACK is an assessment system for mathematics, science and related disciplines.  STACK is a question type for the Moodle learning management system, and also the ILIAS learning management system.  STACK has an API for stand-alone integration into other 3rd party systems.
 

api/config_sample.txt

@@ -91,8 +91,8 @@ $CFG->inputmustverify = 1;
 $CFG->inputshowvalidation = 1;
 
 // These should match the version of goemaxima in docker-compose.
-$CFG->stackmaximaversion = "2025122100";
-$CFG->version = "2025122100";
+$CFG->stackmaximaversion = "2025012100";
+$CFG->version = "2025012100";
 
 // Do not change this setting.
 $CFG->mathsdisplay = 'api';

api/docker/docker-compose.dev.yml

 version: "4.0"
 services:
   maxima:
-    image: mathinstitut/goemaxima:2025122100-latest
+    image: mathinstitut/goemaxima:2025012100-latest
     tmpfs:
       - "/tmp"
     restart: unless-stopped

api/docker/docker-compose.yml

 version: "4.0"
 services:
   maxima:
-    image: mathinstitut/goemaxima:2025122100-latest
+    image: mathinstitut/goemaxima:2025012100-latest
     tmpfs:
       - "/tmp"
     restart: unless-stopped
@@ -15,7 +15,7 @@ services:
     read_only: true
   stack:
     # Location of published STACK API image goes here.
-    image: stackmaths/stackapi:2025122100-latest
+    image: stackmaths/stackapi:2025012100-latest
     restart: unless-stopped
     ports:
       - '3080:80'

doc/en/Developer/Development_history.md

@@ -2,7 +2,7 @@
 
 For current and future plans, see [Development track](Development_track.md) and [Future plans](Future_plans.md).
 
-## Version 4.8.2
+## Version 4.8.3
 
 Released January 2025.
 

doc/en/Installation/STACK_versions.md

@@ -9,7 +9,7 @@ when releasing.
 
 Release | Version number | Supported Maxima versions
 --------|----------------|--------------------------
-4.8.2 | 2025122100 | 5.40.0, 5.41.0, 5.42.0, 5.42.1, 5.42.2, 5.43.0, 5.43.1, 5.43.2, 5.44.0, 5.46.0, 5.47.0
+4.8.3 | 2025012100 | 5.40.0, 5.41.0, 5.42.0, 5.42.1, 5.42.2, 5.43.0, 5.43.1, 5.43.2, 5.44.0, 5.46.0, 5.47.0
 4.8.0 | 2024111500 | 5.40.0, 5.41.0, 5.42.0, 5.42.1, 5.42.2, 5.43.0, 5.43.1, 5.43.2, 5.44.0, 5.46.0, 5.47.0
 4.7.0 | 2024072400 | 5.40.0, 5.41.0, 5.42.0, 5.42.1, 5.42.2, 5.43.0, 5.43.1, 5.43.2, 5.44.0, 5.46.0, 5.47.0
 4.6.0 | 2024060300 | 5.40.0, 5.41.0, 5.42.0, 5.42.1, 5.42.2, 5.43.0, 5.43.1, 5.43.2, 5.44.0, 5.46.0, 5.47.0

stack/maxima/stackmaxima.mac

@@ -3357,4 +3357,4 @@ 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:2025122100$
+stackmaximaversion:2025012100$

version.php

@@ -24,12 +24,12 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version   = 2025122100;
+$plugin->version   = 2025012100;
 $plugin->requires  = 2022041900;
 $plugin->cron      = 0;
 $plugin->component = 'qtype_stack';
 $plugin->maturity  = MATURITY_STABLE;
-$plugin->release   = '4.8.2 for Moodle 4.0+';
+$plugin->release   = '4.8.3 for Moodle 4.0+';
 
 $plugin->dependencies = [
     'qbehaviour_adaptivemultipart'     => 2020103000,