Coach's Spectacular Aether UI V_1.1 is an alpha file of the Minecraft resource pack Coach's Spectacular Aether Themed UI Pack, made for Minecraft 1.12.2. It was published on July 26, 2019 and is 1.3 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Coach's Spectacular Aether Themed UI Pack resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.