- Introduced `NginxProxyPassSecurity` model for managing security headers and server token settings.
- Enhanced templates and JavaScript to support `hide_server_tokens`, `security_headers`, and `hsts` options.
- Updated Ansible and migration files to align with new security and HTTP/2 features.
- Replaced unused AJAX and JS methods (`cleanProvisioningProcess`, `showErrorStatus`) in HA management with simpler, streamlined equivalents. Moved HA cluster data fetching logic to the new endpoint (`HAClustersView`).
- Introduced `compareConfig()` method to improve configuration diff rendering. Removed redundant templates (`compare.html`), leveraging external Diff2Html library.
- Simplified HA service installation logic in `Reconfigure`, enabling task-based tracking. Removed redundant progress logic (`increaseProgressValue`, `checkInstallResp`).
- Added support for Spanish localization (`es-ES.html`, updated `languages.html` template).
- Replaced Python PagerDuty SDK for a more actively maintained library.
- Fixed description rendering logic in HA cluster templates.
- Updated Nginx to support multiple aliases per server.
- Minor dependency updates and comments cleanup in Ansible WAF tasks.
Redesigned Nginx proxy addition by removing unused templates, consolidating scripts, and introducing new modular template structures. Improvements include dynamic JavaScript handlers, enhanced UI flow, better SSL and upstream management, and new functionality for headers and location-specific configurations. Cleaned up obsolete code and adjusted database version updating logic.