diff --git a/CHANGELOG.md b/CHANGELOG.md
index dc70ff116..3891c25f3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,9 @@ Format based on [Keep a Changelog](https://keepachangelog.com/).
 
 ## [Unreleased]
 
+### Added
+- Sprint 5 "Live" team briefings — copy (6 tickets), client (2), CI (1), joint coordination for content-at-scale sprint targeting FRIEND packs, voice patterns, NPC style guide, PC-as-NPC authoring, UI microcopy, FactId validation
+
 ### Added
 - Content loader Phase 2 (#408) — 2-phase spawn pipeline loads real YAML content into ECS entities: enums, entity attributes, pools, templates, triangles, NPC profiles with Want/Tolerance/Contentment/Personality/Tells/Skills axes plus cross-reference resolution for Secrets, Relationships, Information, and DailyRoutine
 - Global enum YAML files (#387) — 9 enum definitions (situations, topics, moods, triggers, access-tiers, trust-tiers, activities, patterns, motivations) from D-035 taxonomy