v4.0.0

New

• Support single pageview source (also reduce the related config options)
• Add shadow effect option for images
• Popup images (powered by Magnific-Popup)

Improved

• Reduce the PWA cache storage
• Reduce the external files required for gem installation
• Simplify the favicon
• Improve the responsive design for new tablets
• Prevents zooming in the iOS safari search input form
• Unify the text color in the panel
• Hide scroll bar of the sidebar

Fixed

• Service Worker fetch event error after the site update
• Some CDN URL in the header is missing the protocol
• RSS template has no custom author