In the world generation screen when adding Datapacks the Tweakeroo Datapack shows as an old version. This is probably nothing game-breaking.
Minecraft: 1.16.3
Tweakeroo: tweakeroo-fabric-1.16.3-0.10.0-dev.20200913.175041
MaLiLib: malilib-fabric-1.16.3-0.10.0-dev.21+arne.1