Change record status: 
Project: 
Introduced in branch: 
8.x
Description: 

Drupal 8 outputs HTML5 by default. The following changes were made to the core html.tpl.php template:

  • HTML5 DOCTYPE
  • The template introduces the $html_attributes variable in the <html> tag
  • The template introduces the $body_attributes variable in the <body> tag
  • RDFa attributes are no longer hardcoded into <html>, but output using the $html_attributes variable
Impacts: 
Module developers
Themers
Updates Done (doc team, etc.)
Online documentation: 
Not done
Theming guide: 
Not done
Module developer documentation: 
Not done
Examples project: 
Not done
Coder Review: 
Not done
Coder Upgrade: 
Not done
Other: 
Not done
Details: 

Theming Guide pages need to be updated: