Change record status: 
Project: 
Introduced in branch: 
8.x-1.x
Introduced in version: 
8.x-1.x-alpha4
Description: 

The names of some Fast 404 $settings have been updated to follow a consistent format. See the project README.txt and example.settings.fast404.php for more details.

Before:

$settings['fast_404_HTTP_status_method']
$settings['fast_404_HTML_error_all_paths']

After:

$settings['fast404_HTTP_status_method']
$settings['fast404_HTML_error_all_paths']
Impacts: 
Site builders, administrators, editors
Module developers
Site templates, recipes and distribution developers