To all resource pack makers: in 1.13 pre-3 the folders for block and item textures are renamed to "block" and "item". And model names in blockstates now require "block/". Enjoy rewriting all
New Updated Textures in Minecraft Pocket Edition (1.13 Texture Concept) - YouTube
Updated Vanilla Textures v3 (Minecraft 1.13) for MCPE 1.2/1.9
16x, 1.13 PvP Minecraft Texture Packs | Planet Minecraft Community