!Block Showcase This pack backports textures (and a few other things) from the latest Minecraft versions to 1.7.10.
As of version 2.0, it supports Et Futurum Requiem and Village Names as well.

Currently up to date with 26.1.2.

Features:

• New block, item, mob, armor, and gui textures
• New cave, chest, door, rain, and witch sounds
• New clouds
• New cat and dog variants (Requires MCPatcher or OptiFine)
• Warm and cold animals (Requires MCPatcher or OptiFine)
• Biome variants of villagers (Requires MCPatcher or OptiFine)
• New spawn eggs (Requires MCPatcher)
• New potion colors (Requires MCPatcher)

Addons:

Biome Water Backport | Backports biome tints to water on 1.7.10, requires MCPatcher or OptiFine

Music Track Backport | Backports modern music tracks to 1.7.10

If you have any issues or suggestions, then let me know!

I took the screenshots in Kab's Resource Pack Showcase