diff --git a/CHANGES.rst b/CHANGES.rst
index 4525243..ebd9c2a 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,10 +1,26 @@
 Changelog
 =========
 
+5.0.3 (unreleased)
+------------------
+
 Update parser.py:
 
 - All ``format`` strings converted to python3.6+ compliant ``f-strings``.
 - Optimised rudimentary returns with equivalent boolean statements.
+- Converted ``for i in range()`` construct with an equivalent ``enumerate`` in ``q_split`` function.
+
+Breaking changes:
+
+- ...
+
+New features:
+
+- ...
+
+Bug fixes:
+
+- ...
 
 5.0.2 (unreleased)
 ------------------