Change record status: 
Project: 
Introduced in branch: 
11.2.x
Introduced in version: 
11.2.0
Description: 

The constant blacklist is replaced with denyList in core/misc/autocomplete.js.

Before

blacklist
data-autocomplete-first-character-blacklist

After

denyList
data-autocomplete-first-character-denylist

Impacts: 
Module developers