I made a texture pack for 1.12 that uses the new textures from 1.14, and I also redid the planks from Bop and quark! Link in comments for download : r/feedthebeast
Minecraft 1.12 Texture Packs & Resource Packs
Minecraft 1.12.x Resource Packs • Texture Packs
List of Minecraft 1.12.2 Resource Packs - 9minecraft.net
Minecraft 1.12.2 Resource Packs | Texture Packs
Texture Pack - [0.19.12] Hypixel+ for 1.8, 1.12, and 1.20! | Hypixel Forums
Colorful Realism Resource Pack for Minecraft 1.13.1
4x4 Resource Pack 1.13.2, 1.12.2 - 9Minecraft.Net
New Textures - Minecraft Resource Packs - CurseForge