User blog comment:MisterWoodhouse/Updates to Discussions and the plan for Forums/@comment-29564364-20200817023551/@comment-3999290-20200818112019

Wikitext still exists in UCP plateform, you can edit pages using Wikitext through Source Editor. Wikitext is just not available on Article Comments and Message Wall, because they can't be ported on MediaWiki software.

Which template system? I didn't notice any change about templates.

Celdrøn   (discussion)