diff --git a/README.md b/README.md
index 45dbc640..c7952fc7 100644
--- a/README.md
+++ b/README.md
@@ -18,3 +18,17 @@ only the cryptography code remains in this repository.
 For more information on these libraries, to report bugs, or to suggest
 improvements, please contact the author Rhys Weatherley via
 [email](mailto:rhys.weatherley@gmail.com).
+
+Recent significant changes to the library
+-----------------------------------------
+
+Apr 2018:
+
+* Tiny and small versions of AES for reducing memory requirements.
+* Port the library to ESP8266 and ESP32.
+* Make the RNG class more robust if the app doesn't call begin() or loop().
+
+Nov 2017:
+
+* Fix the AVR assembly version of Speck and speed it up a little.
+* API improvements to the RNG class.