Hello,
Jsitemap is a wonderful extension.
Everything works fine except Hreflang.

My site runs on 3 different languages
1. Hreflang sitemap seems not to be available as it requires the site separated ii various languages including a relation between articles.
I work with Falang. The language of every menu/article needs to be set as default.
Falang means no language-separation. This means no hreflang-sitemap. This leads to issues with Google.
Google is permanently messaging me issues.
Example:
Incorrect hreflang implementation on http://halkidiki-greece.com/el/
Incorrect hreflang implementation on http://halkidiki-greece.com/
Incorrect hreflang implementation on http://halkidiki-greece.com/de/
Incorrect hreflang implementation on http://halkidiki-greece.com/en/
.. so far I've 'collected' 95 Errors.

As jsitemap seems to be a very extensive solution for everything about sitemaps - I'm sure there is a solution for this.

Thank you very much
Kind regards