docs(CHANGES): Note improve QueryList typings

Author: tony

CHANGES

@@ -14,6 +14,18 @@ $ pip install --user --upgrade --pre libtmux
 
 <!-- Maintainers and contributors: Insert change notes for the next release above -->
 
+### Improvement
+
+- QueryList typings (#515)
+
+  - This improves the annotations in descendant objects such as:
+
+    - `Server.sessions`
+    - `Session.windows`
+    - `Window.panes`
+
+  - Bolster tests (port doctests from `libvcs`)
+
 ## libtmux 0.26.0 (2024-02-06)
 
 ### Breaking change