When this thing is enabled, it now produces the following JavaScript warning:
This page is using the deprecated ResourceLoader module "es5-shim". Use of the "es5-shim" module is deprecated since MediaWiki 1.29.0
When this thing is enabled, it now produces the following JavaScript warning:
This page is using the deprecated ResourceLoader module "es5-shim". Use of the "es5-shim" module is deprecated since MediaWiki 1.29.0