diff --git a/CHANGELOG.md b/CHANGELOG.md
index 297aa3daaaeb8012192a74750547a63e4ada0f20..0141c4c695197085648ca9c07b9264d0ac322314 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,14 +6,20 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## Unreleased
 
+## 0.10.7.1-4.0.0.alpha.0 - 2021-05-22
+
+* Base 4.0.0 foundation added
+* Age based player careers implemented (4.0.0)
 * Reminders system improvements
 * Elohiem's webgl art update 2 & 3
 * added new hairstyles (bangs, hime, drills)
 * added slave distribution presets (PLC, Japan/Korea, Carribean)
 * heavy reconstruction of the event systems
 * REFI conversion complete
+* Cheat mode and debug mode controls for event selection
 * fixes
 * RA UI tweaks
+* tooltips now managed by Tippy
 
 ## 0.10.7.1-3.9.6 - 2021-04-02