Instructions
List of missing features
Instant Commons #InstantCommons is a feature of MediaWiki to allow the usage of any uploaded media file from the Wikimedia Commons in any MediaWiki installation world-wide.
EnableUploads #Allows to upload files to MediaWiki
AllowExternalImages #Whether to allow inline images hosted on external websites, sometimes called inline linking.
List of missing extensions
VisualEditor #The VisualEditor extension allows for editing pages as rich content. There is also a project of the same name aiming to create a reliable rich-text editor for the Web and for MediaWiki.
sandbox
The following query uses these:
PREFIX rl: <https://riga-literata.wikibase.cloud/entity/>
PREFIX rlt: <https://riga-literata.wikibase.cloud/prop/direct/>
SELECT ?item ?itemLabel
WHERE
{
?item rlt:P1 rl:Q6.
SERVICE wikibase:label { bd:serviceParam wikibase:language "en,[AUTO_LANGUAGE]". }
}