Manual:$wgOutputPipelineStages

Miscellaneous settings: $wgOutputPipelineStages
OutputPipelineStages to add to the DefaultOutputPipeline.
Introduced in version:	1.43.0 (Gerrit change 1056251; git #44580945)
Removed in version:	Still in use
Allowed values:	(object)
Default value:	{}
Other settings: Alphabetical | By function

Warning:

EXPERIMENTAL!