diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..1e7c3ba
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,53 @@
+# CHANGELOG
+
+## v012
+
+* Chunithm: Fix large data loads (NeumPhis)
+* Chunithm: Add some support for older versions (NeumPhis)
+* Chunithm: Fix large data loads (Matt Bilker)
+* Chunithm: Enable all events (Matt Bilker)
+* Chunithm: Remove server maintenance period (Matt Bilker)
+* Chunithm: Fix data loss (esterTion)
+* Chunithm: Add some support for older versions (esterTion)
+* IDZ: Team-related fixes (Emi Midnight)
+* Add support for newer AIME card services (cxm)
+* Chunithm: Enable ticket system (Rob)
+* Chunithm: Implement Recent Rating feature (seika1)
+* Chunithm: Fix User Activity feature (seika1)
+
+## v011
+
+* IDZ: Fix loading of >10 cars in garage (Tau)
+
+## v010
+
+* Chunithm: Bug fix: Fix new database creation and repair affected databases. Again. (Tau)
+Switch to a different SQLite native code extension. C compiler is no longer required. (Tau)
+
+## v009
+
+* IDZ: Display team banners in attract loop rankings (Tau)
+* Chunithm: Bug fix: Fix new database creation and repair affected databases (Tau)
+
+## v008
+
+* Implement auras in IDZ (BemaniWitch)
+* Fix user ratings (NeumPhis)
+* Load and save course results (NeumPhis)
+* Load and save user duel list (Felix)
+
+## v007
+
+* Fix IDZ team creation (Tau)
+* Fix startup script working directory (Tau)
+
+## v006
+
+* Fix Chunithm HTTP POST size limit (Tau)
+
+## v005
+
+* Initial public release (Tau)
+  * Chunithm v1.30.00 Amazon
+  * Initial D Zero v1.21.00
+  * Initial D Zero v1.31.00