docs(CHANGES): Update for most recent changes

CHANGES

@@ -21,11 +21,16 @@ $ pipx install --suffix=@next 'tmuxp' --pip-args '\--pre' --force
 
 ### Compatibility
 
-- Python 3.7 and 3.8 support has been removed
+- {issue}`759`: Python 3.7 and 3.8 support has been removed
 
   Bug fixes and security updates will go to the
   [`v1.10.x`](https://github.com/tmux-python/tmuxp/tree/v1.10.x) branch
 
+### Maintenance
+
+- {issue}`762`: CLI: Break up into modules in _cli.py_ -> _cli/{command}_
+- {issue}`761`: Refactor _tests/_ constants and fixtures
+
 ## tmuxp 1.10.0 (2022-03-19)
 
 ### Compatibility