Upstream has released updates that appears to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing
BungeeCord Changes:
67c2dfd8 #2794: connection throttle race condition
eeb3c6d3 #2811: Shorten "Cannot request protocol" exception
727281e6 Make all BaseComponent.duplicate methods specific
4e99a325 #2808: TextComponent.duplicate should return TextComponent
3373eb86 #2834: Add support for long array NBT tag
b85df4f2 #2830: CommandSend - replace iterator-while with for-each
This patch was heavily intented to fix a server side issue which
is generally no longer relevant, not to mention the cost of interning
only cements this patch into it's grave
