Is your feature request related to a problem? Please describe.
For my RTP plugin I pre-generate locations (based on the size of the worldborder). If the worldborder changes, there's no way to know about it. So when its changed there is

Glowstone needs your help with the huge 1.13 technical update!

1.13 project board
1.13 task list

#957 - 1.13 PR. Please base your contributions on and make PRs to this branch (1.13).

Glowkit 1.13 - If you need to make API changes, bas

#209 added initial support for commands using lieutenant and implemented /tp and /gamemode. What's left to do:

• Implement all commands in Vanilla (only those present in Java Edition)
• Ensure that messages are consistent with Vanilla (this is certainly not the case right

Is your feature request related to a problem? Please describe.
The /enchant command allows you to enchant the item you are holding. I believe this is a vanilla command too
Describe the solution you'd like
/enchant enchantment name/id enchantment level
Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

PoC

• Join server
• Execute teleport command (eg. /tp 70 90 10)
• Leave server while command is executing
• Just look, server is broken and player counter says you're still online

Error after executing command and leaving

2018-12-02 14:10:14.019  INFO 17844 --- [ch