diff --git a/CHANGELOG.md b/CHANGELOG.md
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+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 ## 0.1.6
 
 - feat: add `--run` to execute the file in QuickJS instead of outputting source
+- feat: add array index syntax via `x[1]` and `x.1`
+- feat: add `len` property to arrays
 - fix: crash when printing unused struct declaration error
 - fix: provide array result type to sema
 - fix: crash when analyzing an empty array without a result type