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

To avoid ambiguity with the '#type' key in render arrays and pave the way for further changes and improvements, the 'type' variable in theme_mark() has been renamed to 'status'.

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: 
Other updates done