Update changelog

Author: TimLariviere

CHANGELOG.md

@@ -9,6 +9,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 _No unreleased changes_
 
+## [3.0.0-pre18] - 2025-01-16
+
+### Changed
+- Improve memory usage by @kerams (https://github.com/fabulous-dev/Fabulous/pull/1095)
+
 ## [3.0.0-pre17] - 2024-12-15
 
 ### Changed
@@ -206,7 +211,8 @@ _No unreleased changes_
 ### Changed
 - Fabulous.XamarinForms & Fabulous.MauiControls have been moved been out of the Fabulous repository. Find them in their own repositories: [https://github.com/fabulous-dev/Fabulous.XamarinForms](https://github.com/fabulous-dev/Fabulous.XamarinForms) / [https://github.com/fabulous-dev/Fabulous.MauiControls](https://github.com/fabulous-dev/Fabulous.MauiControls)
 
-[unreleased]: https://github.com/fabulous-dev/Fabulous/compare/3.0.0-pre17...HEAD
+[unreleased]: https://github.com/fabulous-dev/Fabulous/compare/3.0.0-pre18...HEAD
+[3.0.0-pre18]: https://github.com/fabulous-dev/Fabulous/releases/tag/3.0.0-pre18
 [3.0.0-pre17]: https://github.com/fabulous-dev/Fabulous/releases/tag/3.0.0-pre17
 [3.0.0-pre16]: https://github.com/fabulous-dev/Fabulous/releases/tag/3.0.0-pre16
 [3.0.0-pre15]: https://github.com/fabulous-dev/Fabulous/releases/tag/3.0.0-pre15