The other big change with this update is texture packs

With countless included add-on content packs, Minecraft Mods: Wii U Edition brings an exciting collection of Minecraft content and experiences to Nintendo fans," said Reggie Fils-Aime, Nintendo of America's President and COO, inside release. "Wii U players may have a good amount of why you should go back to this particular iconic gaming experience."
Being replaced with resource packs. Resource packs can contain not simply custom textures but in addition sounds, language files, fonts and end credits with no modification to Minecraft. The goal is to eventually make every mod and plugin a resource pack for the game including the base, vanilla version. This will allow users to easily switch between mods and different version in the game while using new Minecraft launcher.

One in the main problems around the lack of an expanded save transfer feature is related to the differences in world sizes. "Minecraft PS4 Edition" is capable of doing rendering a place that's 36 times bigger than the PS3 and Vita versions. You can examine the next-generation console version from the open-world sandbox game using the screen located near the top of this information (courtesy in the official 4J Studios Twitter page).
Read more  Painfully Simple Resource Pack at  minecraftio.com/painfully-simple-resource-pack/