Deprecation: #92628 - Login Logo without Alt-Text
See forge#92628
Description
The configuration of the extension "backend" has now the possibility to provide an alt-text for a custom login logo.
As an alt-text is needed for accessibility reasons, not setting an alt-text has been marked as deprecated.
Impact
Not configuring an alt-text will trigger a PHP E_
error.
Affected Installations
All instances that have defined a custom login logo are affected.
Migration
Configure an alt-text for your custom login logo.