Update changelog

docs/changelog.rst

@@ -9,6 +9,16 @@ To update |kitty|, :doc:`follow the instructions <binary>`.
 Recent major new features
 ---------------------------
 
+Cursor trails [0.37]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Show an animated trail when the text cursor makes large jumps making it easy
+to follow cursor movements. Inspired by the similar feature in neovide, but
+works with terminal multiplexers and kitty windows as well. See pull:`the pull
+request <7970>` for a demonstration video. This feature is optional and can be
+turned on by the :opt:`cursor_trail` option in :file:`kitty.conf`.
+
+
 Variable font support [0.36]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~