Release v0.21.2

[johanjanssens]

Fixes

• Cache not working correctly for pages with custom cache time Cache not working correctly for pages with custom cache time #770
• Data from url doesn't work if content-type is incorrect Data from url doesn't work if content-type is incorrect #763
• Issue with defining additional formats Issue with defining additional formats #754
• Issue with rendering data from xml/html Issue with rendering data from xml/html #752
• Notice in cacheable behavior Notice in cacheable behavior #744
• Redirect router not working Redirect router not working #742
• Error pages not working Error pages not working #740
• @ are stripped from frontmatter @ are stripped from frontmatter #756
• [ext:joomla] - Only try to decorate Joomla site application [ext:joomla] - Only try to decorate Joomla site application #765
• [site:blog] – Issue with sitemap.xml [site:blog] – Issue with sitemap.xml #767