diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9acf0ea..369dfaa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,110 @@ All notable changes to Project Notes 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).
 
+## [2.3.0] - 2025-11-11
+
+### Added
+
+- **Favorites System** ⭐
+  - Star notes and folders for quick access
+  - Favorites section in sidebar with expandable folders
+  - Persistent storage in `.favorites.json`
+  - Hover to reveal star buttons on notes/folders
+  - Complete REST API for favorites management (`/api/favorites`)
+
+- **Comprehensive Keyboard Shortcuts** ⌨️
+  - 10 global shortcuts for navigation and editing
+  - `Ctrl/Cmd+K` - Open search modal
+  - `Ctrl/Cmd+S` - Save note
+  - `Ctrl/Cmd+D` - Open daily note
+  - `Ctrl/Cmd+N` - Create new note
+  - `Ctrl/Cmd+H` - Go home
+  - `Ctrl/Cmd+B` - Toggle sidebar
+  - `Ctrl/Cmd+,` - Open settings
+  - `Ctrl/Cmd+P` - Toggle preview (changed from `/` for AZERTY compatibility)
+  - `Ctrl/Cmd+Shift+F` - Create new folder
+  - `Escape` - Close modals
+  - Full documentation in `docs/KEYBOARD_SHORTCUTS.md`
+  - Help section on About page
+
+- **Font Customization** 🔤
+  - 8 font options: JetBrains Mono, Fira Code, Inter, Poppins, Public Sans, Cascadia Code, Source Code Pro, Sans-serif
+  - 4 size options: Small (14px), Medium (16px), Large (18px), X-Large (20px)
+  - Font selector in settings modal with live previews
+  - Preferences saved in localStorage
+
+- **Vim Mode Support** 🎮
+  - Full Vim keybindings in CodeMirror editor
+  - hjkl navigation, insert/normal/visual modes
+  - All standard Vim commands and motions
+  - Toggle in Settings → Éditeur tab
+  - Powered by `@replit/codemirror-vim`
+  - Graceful fallback if package not installed
+
+- **About Page** ℹ️
+  - New "About Project Notes" page accessible from sidebar
+  - Features overview with keyboard shortcuts reference
+  - Visual guide to all shortcuts with `<kbd>` styling
+  - Accessible via ℹ️ button next to settings
+
+- **Enhanced Settings Modal**
+  - Tabbed interface: Thèmes, Polices, Éditeur
+  - Organized and intuitive navigation
+  - Visual previews for themes and fonts
+  - Toggle switches with smooth animations
+
+### Changed
+
+- **Sidebar UI Improvements**
+  - Increased width from 280px to 300px for better readability
+  - JetBrains Mono as default font
+  - Compact spacing throughout
+  - Root indicator (📁 notes) non-clickable, visually distinct
+  - "Nouveau dossier" button moved to bottom
+  - Section titles enlarged for hierarchy
+  - Settings and About buttons side-by-side at bottom
+
+- **Slash Commands Styling**
+  - Palette now uses theme colors (var(--bg-secondary), var(--accent-primary))
+  - Adapts to selected theme automatically
+  - Consistent with overall UI aesthetic
+
+- **Homepage Layout**
+  - Favorites section with expandable folders
+  - Note count in section titles ("📂 Toutes les notes (39)")
+  - Scrollable favorites list (max 300px height)
+  - Better organization and hierarchy
+
+- **Preview Toggle Shortcut**
+  - Changed from `Ctrl+/` to `Ctrl+P` for AZERTY keyboard compatibility
+  - Updated in code, documentation, and About page
+
+### Fixed
+
+- Slash commands palette colors now respect theme selection
+- Modal centering improved for delete confirmations
+- Sidebar overflow handling with scrollable sections
+- Font size now properly cascades using `rem` units from `:root`
+
+### Technical
+
+- Added `@replit/codemirror-vim` as optional dependency
+- Created `vim-mode-manager.js` for Vim mode lifecycle
+- Created `font-manager.js` for font and size management
+- Created `keyboard-shortcuts.js` for centralized shortcuts
+- Created `favorites.js` for favorites UI management
+- New backend endpoints: `/api/favorites`, `/api/about`
+- Enhanced `theme-manager.js` with tab switching
+- CSS toggle switch component added
+- Improved error handling for missing packages
+
+### Documentation
+
+- Added `docs/KEYBOARD_SHORTCUTS.md` - Complete shortcuts reference
+- Updated README.md with all new features
+- Added sections on customization, favorites, and Vim mode
+- Updated feature list and usage examples
+
 ## [2.2.0] - 2025-11-11
 
 ### Added
diff --git a/README.md b/README.md
index 64395ee..1ddf59b 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,32 @@
 # Project Notes
 
-A lightweight, web-based Markdown note-taking application with a Go backend and a minimalist frontend built with htmx. It allows users to create, edit, delete, and search Markdown notes, with automatic front matter management and a live Markdown preview.
+A lightweight, web-based Markdown note-taking application with a Go backend and a minimalist frontend built with htmx.
+
+- 🚫 No database
+- 📝 Pure Markdown with flat files
+- 🔒 Your notes, your server
+- ⌨️ Vim Mode
+- 🎹 Keyboard driven
+- 🌍 Run everywhere (Linux & FreeBSD)
+- 🛠️ Easy to build
+- 🚀 Powerful API
+
 
 ## Features
 
 *   **File-based Notes:** All notes are stored as plain Markdown files (`.md`) on the filesystem.
 *   **Daily Notes:** Quick daily journaling with interactive calendar, keyboard shortcuts (`Ctrl/Cmd+D`), and structured templates.
 *   **Tag Indexing:** Notes are indexed by tags specified in their YAML front matter, enabling quick search.
-*   **CodeMirror 6 Editor:** Modern, powerful Markdown editor with syntax highlighting and One Dark theme.
+*   **CodeMirror 6 Editor:** Modern, powerful Markdown editor with syntax highlighting, One Dark theme, and optional Vim mode.
+*   **Vim Mode:** Full Vim keybindings support (hjkl navigation, modes, commands) for power users.
 *   **Live Markdown Preview:** Side-by-side editor and live preview pane with scroll synchronization.
 *   **Automatic Front Matter:** Automatically generates and updates `title`, `date` (creation), `last_modified`, and `tags` in YAML front matter.
 *   **Slash Commands:** Insert common Markdown elements and dynamic content (like current date) using `/` commands in the editor.
 *   **Search Modal:** Press `Ctrl/Cmd+K` to open a powerful search modal with keyboard navigation and real-time results.
+*   **Favorites System:** Star your most important notes and folders for quick access from the sidebar.
+*   **Keyboard Shortcuts:** 10+ global shortcuts for navigation, editing, and productivity (documented in About page).
+*   **8 Dark Themes:** Choose from Material Dark, Monokai, Dracula, One Dark, Solarized, Nord, Catppuccin, and Everforest.
+*   **Font Customization:** Select from 8 fonts (JetBrains Mono, Fira Code, Inter, etc.) with 4 size options.
 *   **Interactive Calendar:** Monthly calendar widget showing daily notes with visual indicators and one-click access.
 *   **Dynamic File Tree:** Automatically updating file tree in the sidebar to navigate notes.
 *   **Hierarchical Organization:** Organize notes in folders with drag-and-drop file management.
@@ -179,6 +194,54 @@ Results are scored and ranked by relevance (title matches score highest).
 
 **Available commands:** h1, h2, h3, list, date, link, bold, italic, code, codeblock, quote, hr, table
 
+### Customization & Settings
+
+Access settings by clicking the **⚙️ Paramètres** button in the sidebar.
+
+**Theme Selection** (8 options):
+- Material Dark (default) - Professional Material Design theme
+- Monokai Dark - Classic Monokai palette
+- Dracula - Elegant purple and cyan accents
+- One Dark - Popular Atom theme
+- Solarized Dark - Scientifically optimized colors
+- Nord - Arctic blue-toned theme
+- Catppuccin - Pastel comfort palette
+- Everforest - Nature-inspired green and beige
+
+**Font Customization**:
+- **Fonts**: JetBrains Mono (default), Fira Code, Inter, Poppins, Public Sans, Cascadia Code, Source Code Pro, Sans-serif
+- **Sizes**: Small (14px), Medium (16px), Large (18px), X-Large (20px)
+
+**Editor Settings**:
+- **Vim Mode**: Enable full Vim keybindings in CodeMirror
+  - hjkl navigation, insert/normal/visual modes
+  - All standard Vim commands and motions
+  - Requires `@replit/codemirror-vim` package
+
+### Keyboard Shortcuts
+
+Press `Ctrl/Cmd+K` or visit the **About** page (ℹ️ button in sidebar) for the complete list:
+
+- `Ctrl/Cmd+K` - Open search
+- `Ctrl/Cmd+S` - Save note
+- `Ctrl/Cmd+D` - Open daily note
+- `Ctrl/Cmd+N` - Create new note
+- `Ctrl/Cmd+H` - Go home
+- `Ctrl/Cmd+B` - Toggle sidebar
+- `Ctrl/Cmd+,` - Open settings
+- `Ctrl/Cmd+P` - Toggle preview
+- `Ctrl/Cmd+Shift+F` - Create new folder
+- `Escape` - Close modals
+
+### Favorites System
+
+Star important notes and folders for quick access:
+
+1. Hover over any note or folder in the sidebar
+2. Click the **★** icon to add/remove from favorites
+3. Access favorites from the **⭐ Favoris** section in the sidebar
+4. Favorites persist across sessions (stored in `.favorites.json`)
+
 ### Organizing Notes in Folders
 
 1.  Click the "📁 Nouveau dossier" button in the sidebar.
diff --git a/docs/FREEBSD_BUILD.md b/docs/FREEBSD_BUILD.md
index bc3e29b..4542ac0 100644
--- a/docs/FREEBSD_BUILD.md
+++ b/docs/FREEBSD_BUILD.md
@@ -7,38 +7,12 @@
 ```bash
 # Installer Go depuis les packages
 pkg install go
-
-# Ou compiler depuis les ports
-cd /usr/ports/lang/go && make install clean
+pkg install npm
+pkg install node
 
 # Vérifier l'installation
 go version
 ```
-
-## Clonage du projet
-
-```bash
-# Cloner le repository
-git clone https://github.com/mathieu/project-notes.git
-cd project-notes
-
-# Vérifier que tous les fichiers Go sont présents
-find . -name "*.go" | sort
-```
-
-**Fichiers Go requis :**
-```
-./cmd/server/main.go                    # Point d'entrée principal
-./internal/api/daily_notes.go           # Gestion des notes quotidiennes
-./internal/api/favorites.go             # API des favoris
-./internal/api/handler.go               # Handler HTTP principal
-./internal/api/handler_test.go          # Tests unitaires
-./internal/api/rest_handler.go          # API REST
-./internal/indexer/indexer.go           # Indexation et recherche
-./internal/indexer/indexer_test.go      # Tests indexeur
-./internal/watcher/watcher.go           # Surveillance fichiers
-```
-
 ## Build
 
 ### 1. Télécharger les dépendances
@@ -56,6 +30,7 @@ go mod download
 
 ```bash
 go mod tidy
+go mod download
 ```
 
 **Note :** Si `go mod tidy` ne produit aucune sortie, c'est normal ! Cela signifie que le fichier `go.mod` est déjà à jour.
@@ -73,13 +48,6 @@ go build -ldflags="-s -w" -o server ./cmd/server
 CGO_ENABLED=0 go build -ldflags="-s -w" -o server ./cmd/server
 ```
 
-### 4. Vérifier le binaire
-
-```bash
-file ./server
-./server --help
-```
-
 ## Lancement
 
 ### Mode développement
diff --git a/docs/RELEASE_NOTES_2.3.0.md b/docs/RELEASE_NOTES_2.3.0.md
new file mode 100644
index 0000000..502f6b7
--- /dev/null
+++ b/docs/RELEASE_NOTES_2.3.0.md
@@ -0,0 +1,201 @@
+# Release Notes v2.3.0 - Customization & Productivity
+
+**Release Date:** November 11, 2025
+
+## 🎉 Major Features
+
+### ⭐ Favorites System
+Star your most important notes and folders for instant access. Favorites appear in a dedicated sidebar section with full folder expansion support.
+
+**How to use:**
+- Hover over any note or folder in the sidebar
+- Click the ★ icon to toggle favorite status
+- Access all favorites from the "⭐ Favoris" section
+- Folders expand to show their contents
+- Favorites persist across sessions
+
+### ⌨️ Comprehensive Keyboard Shortcuts
+10 new global shortcuts to boost your productivity:
+
+| Shortcut | Action |
+|----------|--------|
+| `Ctrl/Cmd+K` | Open search modal |
+| `Ctrl/Cmd+S` | Save current note |
+| `Ctrl/Cmd+D` | Open today's daily note |
+| `Ctrl/Cmd+N` | Create new note |
+| `Ctrl/Cmd+H` | Go to homepage |
+| `Ctrl/Cmd+B` | Toggle sidebar |
+| `Ctrl/Cmd+,` | Open settings |
+| `Ctrl/Cmd+P` | Toggle preview mode |
+| `Ctrl/Cmd+Shift+F` | Create new folder |
+| `Escape` | Close any modal |
+
+All shortcuts work system-wide and are documented in the new About page.
+
+### 🔤 Font Customization
+Personalize your reading and writing experience:
+
+**8 Font Options:**
+- JetBrains Mono (default) - Designed for IDEs
+- Fira Code - Popular with ligatures
+- Inter - Clean and professional
+- Poppins - Modern sans-serif
+- Public Sans - Government-approved readability
+- Cascadia Code - Microsoft's coding font
+- Source Code Pro - Adobe's classic
+- Sans-serif - System fallback
+
+**4 Size Options:**
+- Small (14px) - Compact view
+- Medium (16px) - Default comfortable reading
+- Large (18px) - Enhanced readability
+- X-Large (20px) - Maximum comfort
+
+Access via Settings → Polices tab.
+
+### 🎮 Vim Mode Support
+Full Vim keybindings integration for power users!
+
+**Features:**
+- Complete hjkl navigation
+- Insert, Normal, and Visual modes
+- All standard Vim commands (dd, yy, p, u, etc.)
+- Vim motions (w, b, $, 0, gg, G, etc.)
+- Search with `/` and `?`
+- Command mode with `:`
+
+**Enable:** Settings → Éditeur → Toggle "Mode Vim"
+
+**Requirements:** Automatically installed with `npm install` in the frontend directory.
+
+### ℹ️ About Page
+New dedicated page accessible from the sidebar (ℹ️ button):
+- Overview of all features
+- Visual keyboard shortcuts reference
+- Quick start guide
+- Styled with modern card layout
+
+## 🎨 UI/UX Improvements
+
+### Enhanced Settings Modal
+- **Tabbed Interface:** Thèmes, Polices, Éditeur
+- **Better Organization:** Logical grouping of related settings
+- **Visual Previews:** See fonts and themes before selecting
+- **Toggle Switches:** Modern, animated switches for boolean options
+
+### Sidebar Enhancements
+- **Wider Layout:** 300px (up from 280px) for better readability
+- **JetBrains Mono:** Default font for sidebar and code
+- **Compact Spacing:** More efficient use of space
+- **Visual Hierarchy:** Larger section titles, distinct root indicator
+- **Button Layout:** Settings and About buttons side-by-side at bottom
+
+### Homepage Improvements
+- **Expandable Favorites:** Folders expand to show contents
+- **Note Counts:** See total notes in each section
+- **Scrollable Lists:** Max 300px height with custom scrollbars
+- **Better Organization:** Clear visual hierarchy
+
+### Theme-Aware Components
+- Slash commands palette now respects theme colors
+- All modals use theme variables
+- Consistent styling across all UI elements
+
+## 🔧 Technical Changes
+
+### New Dependencies
+- `@replit/codemirror-vim` (optional) - Vim mode support
+
+### New Files
+- `frontend/src/vim-mode-manager.js` - Vim mode lifecycle management
+- `frontend/src/font-manager.js` - Font and size preferences
+- `frontend/src/keyboard-shortcuts.js` - Centralized shortcuts handler
+- `frontend/src/favorites.js` - Favorites UI manager
+- `docs/KEYBOARD_SHORTCUTS.md` - Complete shortcuts documentation
+- `docs/RELEASE_NOTES_2.3.0.md` - This file
+
+### New API Endpoints
+- `GET /api/favorites` - List all favorites
+- `POST /api/favorites` - Add to favorites
+- `DELETE /api/favorites` - Remove from favorites
+- `GET /api/about` - Render About page
+
+### Backend Changes
+- New `favorites.go` handler for favorites management
+- New `handleAbout()` method in main handler
+- Favorites stored in `.favorites.json` at root
+- Route registration for favorites and about
+
+### Frontend Changes
+- Enhanced `theme-manager.js` with tab switching
+- CSS toggle switch component
+- Improved font size handling with rem units
+- Better error handling for missing packages
+
+## 🐛 Bug Fixes
+
+- Fixed slash commands palette not respecting theme
+- Fixed font size only affecting titles (now affects all text)
+- Fixed modal centering for delete confirmations
+- Fixed sidebar overflow with proper scrolling
+- Fixed preview toggle shortcut for AZERTY keyboards (/ → P)
+- Graceful fallback when Vim package not installed
+
+## 📚 Documentation Updates
+
+- **README.md:** Complete feature list and usage guide
+- **CHANGELOG.md:** Detailed changelog for v2.3.0
+- **KEYBOARD_SHORTCUTS.md:** Full shortcuts reference
+- **About Page:** In-app help and feature overview
+
+## 🚀 Upgrade Instructions
+
+### For Existing Users
+
+1. **Pull latest changes:**
+   ```bash
+   git pull origin main
+   ```
+
+2. **Install new dependencies:**
+   ```bash
+   cd frontend
+   npm install
+   npm run build
+   cd ..
+   ```
+
+3. **Restart the server:**
+   ```bash
+   go run cmd/server/main.go
+   ```
+
+4. **Explore new features:**
+   - Click ⚙️ to customize themes, fonts, and enable Vim mode
+   - Click ℹ️ to view the About page and keyboard shortcuts
+   - Hover over notes to add them to favorites
+   - Try `Ctrl/Cmd+K` for quick search
+
+### New Users
+
+Follow the installation guide in README.md. All features are available out of the box!
+
+## 🎯 Next Steps
+
+Planned features for upcoming releases:
+- Light themes support
+- Custom theme creator
+- Mobile app (PWA)
+- Cloud sync
+- Collaborative editing
+- Plugin system
+
+## 🙏 Feedback
+
+Enjoy the new features! Report issues or suggest improvements on GitHub.
+
+---
+
+**Version:** 2.3.0  
+**Release Date:** November 11, 2025  
+**Codename:** Customization & Productivity