1.13: Block connections are now serverside, you can enable serverside support by turning serverside-blockconnections: true in the config (It will use extra CPU and RAM, be warned)
Changelog:
1.14 Support (by Gerrygames, creeper123123321, KennyTV)
Option for fixing 1.14 + 1.9 hitboxes for the player (by KennyTV)
1.13 Server side block-connections (by Gerrygames, KennyTV, creeper123123321, ForceUpdate1)
Velocity proxy support (by creeper123123321)
1.13 Plugin messages tweaked to prevent exploits (by creeper123123321)
Invisible banner fix (by creeper123123321)
Various optimizations for checks (by KennyTV)
Update OpenNBT to prevent security vulnerability (by creeper123123321)
Relocate Bungee Chat API & Update it to fix a few json issues
Fix NBT remap for 1.13 for tooltip (by creeper123123321)
Fix possible deadlock on boot
Fix blank command block in 1.13 (by creeper123123321)
Fix Main Hand on BungeeCord being incorrect on server switch (by creeper123123321)
Fix auto-team bug when it's disabled (by creeper123123321)
Rework auto-team to function better on Bungee (by creeper123123321)
Fix various memory leaks (by creeper123123321)
Introduce options to allow the delay of tab-complete as an alternative to disabling it (by creeper123123321)
Fix various particle rewriting (by creeper123123321)
Refactor of internal chunk mechanics in ViaVersion (this is the main change why it's now 2.0.0 as it breaks other Via plugins, by Gerrygames and creeper123123321)
Fix armour updating on item break
Fix BungeeCord pipeline issue
BungeeCord Boss Bar fix (by creeper123123321)
Use HTTPs for checking for updates
Fix furnace shift click and a few mappings (by creeper123123321)
Fix biome data not being correct type (by creeper123123321)
Introduce various translation rewriting (by creeper123123321)
Fix scoreboard in some cases (may still need work, by creeper123123321)
Refactoring of a few classes
As always, please post bugs to our GitHub and see our Discord (above) for support. Huge thanks to everyone who made this update possible!