Version 6.2.1 of Nikola is out. This is a partially-unplanned bugfix release to fix issues with locales and address some more bugs, also adding a few little features.
Default themes adds semantic meanings to posts using h-entry (a microformats2) and HTML 5 microdata (Issue #867)
New "hidetitle" metadata to suppress printing a title as heading (Issue #584)
Template systems can now render to and from a string. (Issue #881)
New event for newly deployed posts (Issue #882)
Fixed some locale problems in posix systems (Issues #886, #884, #875)
Don’t include BLOG_DESCRIPTION as meta tag on tag and gallery pages (Issue #876)