We want to provide an opportunity for wiki communities to advertise ongoing newcomer-oriented events on the newcomer homepage. At least for the first iteration, this will be a simple homepage module shown at the top of the homepage, with text determined by a system message that can be defined via the relevant MediaWiki: page.
Mockup:
https://www.figma.com/file/2SONd8P1tsexIB5coMOp8h/Growth-Structured-tasks?node-id=792%3A59774