Dear Customer,
 
We have released a new version (7.2) of Standalone Sitemap Generator script.
 
(new feature) JSON-LD data structure support for video sitemaps
(new feature) Images sitemap supports srcset attribute with multiple images
update: using new Vimeo API
update: PHP7 compatibility
other updates and minor bug fixes
 
You can find details here:
https://www.xml-sitemaps.com/news-20170314.html