Minecraft fans have been requesting Mojang to add fireflies to the game for quite some time now. Mojang almost added it at one point before backing off.

"Strewn like confetti across biomes, your next expedition might entail meeting two moo-some cow variants, spotting dancing ...

With recent Minecraft updates, it is clear that Mojang is heavily focused on completely changing the look and feel of the Overworld — the game's first dimension in which players spawn.