    it in model forms.
  
  Requests and Responses
  ~~~~~~~~~~~~~~~~~~~~~~
  
  * Added :meth:`.HttpRequest.get_full_path_info`.
  
 
</s> remove     'Concat', 'ConcatPair', 'Length', 'Lower', 'StrIndex', 'Substr', 'Upper',
 </s> add     'Concat', 'ConcatPair', 'Length', 'Lower', 'Replace', 'StrIndex', 'Substr',
    'Upper', </s> remove from .text import Concat, ConcatPair, Length, Lower, StrIndex, Substr, Upper
 </s> add from .text import (
    Concat, ConcatPair, Length, Lower, Replace, StrIndex, Substr, Upper,
)
* The new :class:`~django.db.models.functions.Replace` database function
  replaces strings in an expression.

    it in model forms.
  
* The new :class:`~django.db.models.functions.Replace` database function
  replaces strings in an expression.

  Requests and Responses
  ~~~~~~~~~~~~~~~~~~~~~~
  
  * Added :meth:`.HttpRequest.get_full_path_info`.
  
keep add keep keep keep keep keep
 Refs #28643 -- Added Replace database function. 
docs/releases/2.1.txt