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
Bukkit Changes:
eda400d3 SPIGOT-6213: MinecraftFont.getWidth(" ") returns 2 when it should be 3
Spigot Changes:
aa477927 #100: Allow sending messages from specific UUIDs