Aded a patch note for relative mouse mode over RDP
diff --git a/WhatsNew.txt b/WhatsNew.txt
index 71997e1..88ab5a3 100644
--- a/WhatsNew.txt
+++ b/WhatsNew.txt
@@ -25,6 +25,7 @@
 * SDL's hidapi implementation is now available as a public API in SDL_hidapi.h



+* Improved relative mouse motion over Windows Remote Desktop

 * Added the hint SDL_HINT_IME_SHOW_UI to show native UI components instead of hiding them (defaults off)