Add missing changelog entries

(cherry picked from commit fb0f2f92a38c1d6a776ffeb253329f8d1c65694c)
diff --git a/README.md b/README.md
index 072add1..6d17cff 100644
--- a/README.md
+++ b/README.md
@@ -123,6 +123,7 @@
 
 ## Changelog
 
+ - Updated gamepad mappings from upstream
  - Bugfix: Buffers were swapped at creation on single-buffered windows (#1873)
  - Bugfix: Gamepad mapping updates could spam `GLFW_INVALID_VALUE` due to
    incompatible controllers sharing hardware ID (#1763)
@@ -138,6 +139,7 @@
  - [X11] Bugfix: Changing `GLFW_FLOATING` could leak memory
  - [Wayland] Bugfix: Some keys were not repeating in Wayland (#1908)
  - [Wayland] Bugfix: Non-arrow cursors are offset from the hotspot (#1706,#1899)
+ - [Wayland] Bugfix: The `O_CLOEXEC` flag was not defined on FreeBSD
  - [NSGL] Bugfix: Defining `GL_SILENCE_DEPRECATION` externally caused
    a duplicate definition warning (#1840)
  - [EGL] Bugfix: The `GLFW_DOUBLEBUFFER` context attribute was ignored (#1843)