diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index e18ee07..37fcefa 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "0.0.0"
+  ".": "1.0.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..c9596b6
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,22 @@
+# Changelog
+
+## 1.0.0 (2026-07-01)
+
+
+### Features
+
+* rework audio engine, simplify UI, add CI ([d3c88b5](https://github.com/wgd-modular/chambord/commit/d3c88b5726d20f5539bd95611d42c632e766eb0f))
+* rework audio engine, simplify UI, add CI ([da60962](https://github.com/wgd-modular/chambord/commit/da6096227d832539272b47c49966bcbeb733e541))
+
+
+### Bug Fixes
+
+* Allow rotational channel selection ([18fcced](https://github.com/wgd-modular/chambord/commit/18fccedee60266fa6a5453aa082c8b1f41a5744f))
+* corrected uf2 ([98e2633](https://github.com/wgd-modular/chambord/commit/98e2633e7d3a1c4cf471b4a8414e017b1c8b5e8f))
+* get all the basics running ([564b5db](https://github.com/wgd-modular/chambord/commit/564b5db0c58d85b13a0e121b2e7f20b510d59753))
+* move DAC writes to 48khz timer and only do sample generation on request when dac has been writtern. ([0ea6d1c](https://github.com/wgd-modular/chambord/commit/0ea6d1c6be09060b37d975405fbccce7a9ee2cff))
+* move encoder processing and remove contention on leds to remove noise ([00241a3](https://github.com/wgd-modular/chambord/commit/00241a3001df9c9cd52b4fd3415baddb6ffa9bd3))
+* move jack in led signal to timer. cv also on slow timer. ([21f0c8b](https://github.com/wgd-modular/chambord/commit/21f0c8b7639766c76f8883b62c31836081725064))
+* new uf2 with latest timer code ([514b767](https://github.com/wgd-modular/chambord/commit/514b7678cf0143d4c2cfdfc8f3cfe787f7a16f79))
+* remove core idling since it can crash. ([1852d89](https://github.com/wgd-modular/chambord/commit/1852d89e810b191ad4a3e83d04a00b6cf68b015c))
+* set to 44100 kHz for pitch correct play, up buffer lengths ([c2309d1](https://github.com/wgd-modular/chambord/commit/c2309d1a34663f6960478cda913241d967c42cab))