Setting up release 4.0.0.

Author: mchurchward

CHANGES.md

@@ -1,5 +1,29 @@
 Release Notes
 
-Version 4.0.0 Beta (Build - 2022030400)
+Version 4.0.0 (Build - 2023030700)
+
+Bug fixes:
+
+* HTML allowed in choice display.
+* Fixed delete question error.
+* Feedback links restore correctly.
+* Required questions work with rating scales.
+* Moodle 4 descriptions only displayed once.
+* Feedback section works with empty score calculation.
+* Single activity settings work in Moodle 4.
+* Required checkbox questions with "other" option now work.
+
+Improvements:
+
+* Border added to atto editor for essay questions.
+* Better messaging on "save".
+* Better messaging on date picker question.
+* Buttons substituted for links in many places.
+* PHP8 compatibility.
+* Moodle 4 icons.
+* Improved PDF file name.
+* Non-respondents now only include enrolled users.
+* New slider type question.
+* Better completion tracking options.
 
 (see CHANGES.md in release 3.11 for earlier changes.)