diff --git a/CHANGELOG.md b/CHANGELOG.md
index ede1618e1..00f5fcca7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,9 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 ## [Unreleased]
 
 ### Added
+- LocalBridge IPC over Unix domain sockets (#78) — length-prefixed MessagePack framing, SimBridge implementation, BridgeResource ECS wrapper
+- Tile collision system (#236) — TilePosition component, WalkabilityMap resource with O(1) lookup, MoveIntent + validate_movement system
+- 18 new tests (4 framing + 2 IPC integration + 11 movement unit + 1 movement integration), total 38
 - `db/connectors/ticket` CLI — ergonomic ticket management (list, show, create, assign, sprint, deps, search, epics, children, count) with JSON output
 - Sprint 1 "Run" created with 8 stories targeting moving character on screen via IPC bridge
 - Ticket skill rewritten to use ticket CLI instead of raw SQL wrapper scripts