First of all, PMMP is never the only server software in the world. However, whatever software you use, you will meet this problem. Secondly, what server software can do is sending packets. As a result, it is hard to fix client-side issue with hacks. This will result in making the client unstable and breaking the cleanliness of the codes of the server. For player's interests, please fix.
You must fix this bug, it affects all the servers.
In 0.16.1, this bug is still exist, and seems all languages have been affected.
Yes, it's that problem exactly. Can you fix this bug in next version?