Changes!

Author: lpil

CHANGELOG.md

@@ -8,6 +8,10 @@
   reduced in size in many cases.
   ([Surya Rose](https://github.com/GearsDatapacks))
 
+- The code generators now perform usage-based dead code elimination. Unused
+  definitions are not longer generated.
+  ([Louis Pilfold](https://github.com/lpil))
+
 ### Build tool
 
 ### Language server