| What's New |
 | Overview |
| Main Menu Changes |
| Language Support Changes |
| Code Editor Changes |
| Refactoring Tools |
| Clipboard Enhancement |
| Code Template Changes |
| Compatibility |
| Overview |
| Programming with Castalia |
| Getting Started |
| Welcome To Castalia 4 |
| IDE Changes |
| Overview |
| Editor Changes |
| Line Numbers |
| Navigation Toolbar |
| Structural Highlighting |
| Flow Control Highlighting |
| Live Syntax Checking |
| Syntax Error Balloons |
| Code Templates |
| Inline Variable Declaration |
| Bookmark Stack |
| Parenthesis Matching |
| One Key Commenting |
| One Key Indentation |
| Smart Home Key |
| Automatic Line Wrap |
| Modeless Text Search |
| Form Designer Enhancements |
| Close Open Datasets |
| New Editor Context Menu Items |
| Refactoring |
| New IDE Windows |
| Flyout Bar |
| Project Statistics |
| MultiPaste |
| Castalia Options |
| New IDE Menu Items |
| MultiPaste |
| Refactoring |
| Project Statistics |
| Flyout Bar |
| Castalia Options |
| Castalia Help |
| Refactoring |
| Overview |
| Rename Class |
| Move Class |
| Rename Method |
| Extract Method |
| Add Parameter |
| Surround With... |
| Rename Local Variable |
| Inline Temporary Variable |
| Split Temorary Variable |
| Rename Parameter |
| Introduce Explaining Variable |
| Configuring Castalia |
| Overview |
| Line Numbers |
| Navigation Toolbar |
| Structural Highlighting |
| Flow Control Highlighting |
| Live Syntax Checking |
| Syntax Error Balloons |
| Parenthesis Matching |
| Code Templates |
| Modifying Code Templates |
| Creating CodeTemplates |
| Flyout Bar |
| Refactoring |
| Form Designer Options |
| Automatic Line Wrap |