- Added a lightbox feature for gallery images, allowing users to view photos in a modal with navigation controls.
- Updated the SVG sprite to include inline styles for better accessibility.
- Increased CSS specificity by doubling the `.vc-app` class to ensure styles override Astra theme defaults.
- Introduced new shortcodes for bus tours, about section, and articles in the VC_Sections class.
- Improved the handling of featured images in the single tour template for sharper display.
- Updated version number to 1.8.15.
