diff --git a/release_notes/4.2.0.md b/release_notes/4.2.0.md
index d106c713..930f82f0 100644
--- a/release_notes/4.2.0.md
+++ b/release_notes/4.2.0.md
@@ -23,6 +23,18 @@
 
 * Removed duplicate Suite and Spec jsdocs
 
+## Supported environments
+
+jasmine-core 4.2.0 has been tested in the following environments.
+
+| Environment       | Supported versions |
+|-------------------|--------------------|
+| Node              | 12.17+, 14, 16, 18 |
+| Safari            | 14-15              |
+| Chrome            | 102                |
+| Firefox           | 91, 101            |
+| Edge              | 101                |
+
 
 ------