Help:$smwgEnabledCompatibilityMode

is a configuration parameter that sets whether Semantic MediaWiki will be enabled together with extensions that may have an impact on performance when used together on the same wiki.CiteRef::gh:smw:1398 The extensions affected by this configuration parameter were and/or. The configuration parameter was introduced in and removed in.

The rationale for this configuration parameter was to force Semantic MediaWiki to work together with other extensions that may impact performance in an unanticipated way. At that time where was no other possibility available to prevent Semantic MediaWiki from being invoked on a wiki. which brought support for MediaWiki's extension registration mechanism obsoleted the need for this configuration parameter consequently resulting in its removal.CiteRef::gh:smw:4340

Default setting
This means that Semantic MediaWiki will not be used when you also have and/or  installed and invoked.

Changing the default setting
To modify the setting to this configuration parameter, add one of the following lines to your "LocalSettings.php" file after the  call:

This means that Semantic MediaWiki will be used when you also have and/or  installed and invoked.
 * Force the usage of Semantic MediaWiki