Manual:$wgOOUIEditPage

Note
was removed in, as it is now the default. This was documented as a temporary variable during the migration period.

Details
The edit form since uses pretty  buttons, checkboxes and summary input. Because this change can cause problems for extensions and on-wiki scripts depending on the exact HTML, the old version is still available in MediaWiki 1.29 and can be used by setting in.

To make testing easier, users can also force either mode by adding or  to the  URL.