diff --git a/release_notes/3.0.md b/release_notes/3.0.md
index ce4c7c4c..fcd49ae1 100644
--- a/release_notes/3.0.md
+++ b/release_notes/3.0.md
@@ -29,6 +29,13 @@ There is also a 2.99 release of Jasmine that will present deprecation warnings f
 
 * Default to running tests in random order
 
+* Additionally, Jasmine 3.0 drops support for older browsers and environments. Notably:
+  - Internet Explorer 8 and 9
+  - Ruby 1.x (for the Ruby gem)
+  - Rails 3.x (for the Ruby gem)
+  - Python 2.x (for the Python wheel)
+  - Nodejs 0.x (for the NPM package)
+
 ## Changes
 
 * Remove node modules from python wheel, and update languages