diff --git a/CHANGELOG.md b/CHANGELOG.md
index c15edf78a..343f5f134 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 
 ## [Unreleased]
 
+### Fixed
+- Type safety in GameState visible_tiles loop — validates Dictionary with x/y keys before access (PR #11 review)
+- Entity renderer skips redundant modulate.a writes when alpha unchanged (PR #11 review)
+
 ### Added
 - Protocol v2 decoder — extracts game_time, player_facing, visible_tiles, and per-entity visibility sectors from ObserverSnapshot v2
 - D-033 entity color palette (#130) — relationship-based colors (teal/green/amber/red), Phase 1 defaults by entity kind