updates changelog

Author: timbastin

CHANGELOG.md

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+# Changelog
+
+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).
+
+## [1.2.0] - 2026-03-30
+
+### Added
+
+- **Organization dashboard** with comprehensive analytics: risk history chart, vulnerability detection & remediation trends, ecosystem distribution, average remediation times, most used components/CVEs, open vulnerabilities per severity, average dependency age, and code risk statistics
+- **Organization structure view** with expandable sections linking to respective pages
+- **Code editor component** with TOML support for editing configuration files
+- **Configuration files section** in asset and project settings with a dedicated `ConfigFileEditor` (supports Checkov and other config formats)
+- **Sorting feature** for project and organization pages with dropdown menu and direction toggle
+- **SSO provider improvements**: new `OrySsoRoot` component, SSO provider icons, improved `OrySsoButton` and `OrySsoSettings` for better accessibility
+- **Organization deletion** with confirmation dialog
+- Nix ecosystem image support
+- Breadcrumbs to configuration settings pages
+- IDs to dependency graph nodes for better referencing
+- Checkov config file added to default configuration options
+
+### Fixed
+
+- Colors in risk assessment feed
+- VEX rule creation
+- Sorting behavior and URL parameter handling ([#1811](https://github.com/l3montree-dev/devguard/issues/1811), [#1828](https://github.com/l3montree-dev/devguard/issues/1828))
+- Validation handling in `CodeEditor` and `ConfigFileEditor` components
+- Editor value reset when config file is not available; save button state logic
+- Chart handling improvements in org overview
+
+## [1.1.0] - previous release
+
+<!-- add notes for 1.1.0 here if needed -->