1. Bot System and Actions Enhancements
   - Added option to keep chat locked from visitor via bot actions
   - Enhanced variable replacement logic in bot actions with custom arguments handling
   - Implemented option to remove chat_variables variable through bot commands
   - Improved command action to update only required fields for better performance
   - Enhanced text actions with advanced variable replacement capabilities
   - Fixed masking message in REST API that sometimes broke JSON body structure
   - Added logging for first response in streaming mode for REST API actions
   - Added use cases modal and validation for bots with comprehensive documentation
   - Improved bot name display in REST API use cases
   - Added modal for REST API use cases with dynamic content

2. Widget and Interface Improvements
   - Added override back button option for widget offline mode
   - Updated widget logic and survey redirect handling for offline scenarios
   - Improved image sizing in widget interface
   - Removed default colors from widget theme configuration
   - Fixed scroll behavior on mobile devices in popup mode
   - Enhanced offline chat handling with better redirect logic

3. Mail Conversation System
   - Enhanced audit logging capabilities for mail conversations
   - Added merge conversation audit logging
   - Improved send email audit tracking
   - Added option to set reply-to email only to mailbox
   - Fixed UI elements in mail conversation templates

4. Proactive Invitations and Auto Responder
   - Fixed auto responder display logic to ensure proper handling of empty values
   - Enhanced auto responder display with improved formatting
   - Added proactive invitation and auto responder templates to chat interface
   - Improved webhook link formatting in bot forms
   - Activity period now applies to all types of invitations
   - Added explanatory text that limit numbers are inclusive

5. User Interface and UX Improvements
   - Added explanatory notices for inclusive limit numbers in department forms
   - Enhanced chat information display with better template organization
   - Improved spacing and layout in various templates
   - Updated default translations with new strings

6. System and Configuration
   - Updated environment variable handling in settings
   - Improved system variable checking in core components
   - Fixed null handling in cronjob/test mode
   - Updated .gitignore configuration
   - Added GitHub workflow for triggering Laravel tests
   - Removed editor-specific settings from repository

7. Statistics and Reporting
   - Included user with id 0 in default user filter for statistics
   - Enhanced user filtering for edge cases

8. Bug Fixes and Improvements
   - Fixed missing column reference in user department management
   - Fixed transfer to human action to update only relevant attributes
   - Various UI fixes and spacing adjustments
   - Improved template consistency across modules

For update just follow standard update procedure. No database update this time

**Full Changelog**: https://github.com/LiveHelperChat/livehelperchat/compare/4.73v...4.74v