chore: add CHANGELOG

Author: Decodetalkers

CHANGELOG.md

@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.18.0] - 2026-05-01
+
+### Changed
+- Feat: Sctk refactor in #368
+- Fix: high cpu usage in #364 by @Magniquck
+- Feat: add iced_exwlshell library
+- Feat: add client side decoration control for XDG windows (#375) by @httpsworldview
+
+[0.18.0]: https://github.com/waycrate/exwlshelleventloop/compare/v0.18.0...v0.17.1
+
 ## [0.18.0-beta4] - 2026-04-22
 
 ### Changed