please make sure you are using the latest ETF version before submitting an issue, you might also find a dev build
fixing this issue already on my discord https://discord.com/invite/rURmwrzUcz in the #dev-blog channel - Made sure

Describe the issue

• What happened? [e.g. crashed, texture is broken]
  Animated textures flicker and do not animate when they are on emissive layer (_e)

• What were you doing when it happened? [e.g. loading the game, playing multiplayer, single-player]
  Trying to use Chests Reimagined resource pack

• Can be easily reproduced using Chests Reimagined Ender Chests

Screenshots

• If applicable, add screenshots to help explain your problem.

Video of a custom resourcepack clearly showcasing the issue (can't show flicker/animations through images). The issue looks very similar on Chests Reimagined:
https://github.com/Traben-0/Entity_Texture_Features/assets/25572454/19d2ff9a-9498-448c-8603-7298611070c9

Your setup: (please complete the following information):

• Minecraft version: 1.20.1
• ModLoader: Forge
• ETF Version: entity_texture_features_forge_1.20.1-5.1.jar
• Does the issue persist with only ETF installed? Yes
• Have you checked the FAQ in the Readme, or Discord, to see if it is a known issue? Yes

Other mods:

• entity_model_features_forge_1.20.1-1.2.1.jar
• embeddium-0.2.13+mc1.20.1.jar
• oculus-mc1.20.1-1.6.13.jar