docs: Updated CHANGELOG.md with release notes (#2109)

Author: rkaraivanov

CHANGELOG.md

@@ -4,8 +4,32 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
-## [Unreleased]
+## [7.0.0] - 2026-02-25
 ### Added
+- #### AI-Assisted Development - Copilot Skills
+  - Four end-user skills are now shipped with the package under the `skills/` directory. They provide step-by-step guidance to GitHub Copilot and other LLM agents for common tasks:
+    - **igniteui-wc-choose-components** - Identify the right component for a given UI pattern.
+    - **igniteui-wc-integrate-with-framework** - Set up and use components in React, Angular, Vue, or vanilla JS.
+    - **igniteui-wc-customize-component-theme** - Apply custom styles via CSS custom properties, parts, and the theming system.
+    - **igniteui-wc-optimize-bundle-size** - Reduce production bundle size through selective imports and lazy loading.
+
+  To enable the skills in your project, copy the skill folders into your repository's `.github/skills/` directory so Copilot can automatically discover them:
+
+  **Unix/macOS:**
+  ```sh
+  cp -r node_modules/igniteui-webcomponents/skills/* .github/skills/
+  ```
+
+  **Windows (PowerShell):**
+  ```powershell
+  Copy-Item -Recurse node_modules\igniteui-webcomponents\skills\* .github\skills\
+  ```
+
+  **Windows (Command Prompt):**
+  ```cmd
+  xcopy /E /I node_modules\igniteui-webcomponents\skills .github\skills
+  ```
+  Copilot supports project skills stored in `.github/skills` or `.claude/skills` in your repository, and personal skills stored in `~/.copilot/skills` or `~/.claude/skills` (shared across projects; Copilot coding agent and GitHub Copilot CLI only).
 - #### Chat
   - **adoptRootStyles** can now be toggled on/off at runtime. [#2093](https://github.com/IgniteUI/igniteui-webcomponents/pull/2093)
 
@@ -15,6 +39,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - #### Themes - **Breaking change**
   - Changed global prefixes for CSS custom properties for component themes to align with other Ignite UI component libraries.
 
+### Removed
+- #### Chat
+  - Removed the **typingIndicator** template renderer. Users can use the **typing-indicator** slot instead.
+- #### Tooltip
+  - Removed the **disableArrow** deprecated property.
+
 ### Fixed
 - #### Carousel
   - Context instantiation in Blazor. [#2033](https://github.com/IgniteUI/igniteui-webcomponents/pull/2033)
@@ -23,12 +53,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - #### Textarea
   - Correct cursor style over non input parts. [#2085](https://github.com/IgniteUI/igniteui-webcomponents/pull/2085)
 
-### Removed
-- #### Chat
-  - Removed the **typingIndicator** template renderer. Users can use the **typing-indicator** slot instead.
-- #### Tooltip
-  - Removed the **disableArrow** deprecated property.
-
 ## [6.5.1] - 2026-02-04
 ### Fixed
 - #### Calendar
@@ -1240,6 +1264,7 @@ Initial release of Ignite UI Web Components
 - Ripple component
 - Switch component
 
+[7.0.0]: https://github.com/IgniteUI/igniteui-webcomponents/compare/6.5.1...7.0.0
 [6.5.1]: https://github.com/IgniteUI/igniteui-webcomponents/compare/6.5.0...6.5.1
 [6.5.0]: https://github.com/IgniteUI/igniteui-webcomponents/compare/6.4.0...6.5.0
 [6.4.0]: https://github.com/IgniteUI/igniteui-webcomponents/compare/6.3.6...6.4.0