diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..a1428b6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,4 @@
+## [0.1.0] - 2025-12-10
+
+* Add unified Nix/Python install, new ARC entrypoints, xclip-based -x clipboard flag, Nix flake app, improved CI, and extended test coverage.
+