docs(CHANGES) Note renamed commands

Author: tony

CHANGES

@@ -57,6 +57,44 @@ release. Set `LIBTMUX_SUPPRESS_VERSION_WARNING=1` to suppress the warning.
 
 Added tmux 3.6 to test grid and `TMUX_MAX_VERSION` 3.4 -> 3.6.
 
+## Breaking changes
+
+### Renamed commands
+
+- Renamed `Window.set_window_option()` to {meth}`Window.set_option()` (#516)
+
+  Deprecated `Window.set_window_option()`
+
+- Renamed `Window.show_window_option()` to {meth}`Window.show_option()` (#516)
+
+  Deprecated `Window.show_window_option()`
+
+- Renamed `Window.show_window_options()` to {meth}`Window.show_options()` (#516)
+
+  Deprecated `Window.show_window_options()`
+
+### Improved options
+
+- Option support expanded to server, session, window, and pane
+- Option support enhanced and streamlined via {class}`options.OptionsMixin`.
+
+  - `set_option`
+  - `show_option`
+  - `show_options`
+  - `unset_option`
+
+- {meth}`Window.set_option()` (#516)
+
+  Added arguments:
+
+  - `format` -> `-F`
+  - `unset` -> `-u`
+  - `global` -> `-g`
+  - `unset_panes` -> `-U`: Also unset other panse in windows
+  - `prevent_overwrite`: `-o`
+  - `suppress_warnings`: `-q`
+  - `append`: `-a`
+
 ## libtmux 0.47.0 (2025-11-01)
 
 ### Breaking changes