User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-25999669-20201029142051/@comment-24006128-20201030145455

1. It's the standard MediaWiki Recent Changes feature, not the highly custom WikiActivity feature we made for the legacy platform. There is a dev script to get a WikiActivity look and feel added.

2. Again, standard MediaWiki feature.

3. Categories Exhibition is a feature we've been phasing out for the past 2 years, as Google red flags it as duplicate content, hurting the search rankings of wikis which make use of it.

4. Please contact your Wiki Manager for assistance with any broken customizations.