diff --git a/changelog.md b/changelog.md
new file mode 100644
index 0000000..ecab2d6
--- /dev/null
+++ b/changelog.md
@@ -0,0 +1,17 @@
+# Changelog
+
+## 2025-12-11 - 1.1.0 - feat(core)
+Initial release: add SmartFfmpeg fluent builder API with in-memory streams, progress tracking, and bundled ffmpeg/ffprobe
+
+- Introduce SmartFfmpeg main class and FfmpegCommand fluent builder API for chainable ffmpeg commands
+- Support in-memory inputs/outputs: Buffer, Uint8Array, Node and Web Readable/Writable streams (pipe(), toBuffer(), toStream())
+- Progress reporting via onProgress callbacks and ffmpeg progress parsing
+- Bundled binaries using ffmpeg-static and ffprobe-static (paths exposed via plugins)
+- Legacy API preserved (convert, convertWithProgress, getMediaInfo, generateThumbnails, screenshot, concat, addAudio, etc.)
+- Utilities for probing encoders/decoders/formats and helper methods (screenshot, thumbnails, GIF conversion, concat)
+
+## 2025-12-11 - 1.0.0 - initial release
+Initial release of the project.
+
+- Repository initialized.
+- Basic project scaffold and initial files added to establish the foundation for future development.
\ No newline at end of file
diff --git a/ts/00_commitinfo_data.ts b/ts/00_commitinfo_data.ts
index d1655c6..d59a0bc 100644
--- a/ts/00_commitinfo_data.ts
+++ b/ts/00_commitinfo_data.ts
@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@push.rocks/smartffmpeg',
-  version: '1.0.0',
+  version: '1.1.0',
   description: 'A fast Node.js module for media file conversion using ffmpeg'
 }