I-MediaWiki yinjini ye-wiki yasimahla kunye nevulekileyo. Yaphuhliswa ukuba isetyenziswe kwi-Wikipedia ngo-2002, kwaye yanikwa igama elithi "MediaWiki" ngo-2003. Ihlala isetyenziswa kwi-Wikipedia kwaye phantse zonke ezinye iiwebhusayithi ze-Wikimedia, kuquka i-Wiktionary, i-Wikimedia Commons kunye ne-Wikidata; ezi sayithi ziyaqhubeka nokuchaza inxalenye enkulu yemfuno ebekwe kwiMediaWiki. IMediaWiki yaphuhliswa ekuqaleni nguMagnus Manske yaze yaphuculwa nguLee Daniel Crocker. Uphuhliso lwayo ukusukela ngoko lwaququzelelwa yiWikimedia Foundation.