From 0.8.0-alpha.3:

• Leave only one download option: unified jar (MapModCompanion.jar)
• Fix NPE when plugin is reloading
• Xaero: Skip message delivery if player's offline

From 0.8.0-alpha.1:

• Initial Velocity support
• Fix Forge VoxelMap on 1.12.2
• Fix Forge VoxelMap on 1.13.2 - 1.16.3 – requires ProtocolLib
• E2E tests on Velocity, BungeeCord, Waterfall and Paper

Changelog is available on GitHub