This is the fifth (5th) beta release of Simplified Textures 1.16.0.
[THIS BETA RELEASE WAS STARTED AT FEB. 21, 2021]

Changelog

Blocks>

 Composter
Added simplified textures of compost.
 
 Mossy Cobblestone
Updated the vines to look more.

 Bedrock
Updated to make better

 Redstone Ore
Added it's simplified texture.

 Blue Ice
Added a outline to see it more clearer and better

 Slate, Poster, and Board (Education Edition only)
Added their simplified textures (the plank on the back is more different)

 Brick Block, Stairs, Slabs, and Walls
Detailed a little bit.

 Barrel
Updated the opened barrel texture.

 Blast Furnace
Removed all the blue flame and replaced with orange fire

Items>

 Armor Stand, Buckets (all variants except fish variants), Cake
Added their simplified textures.

 Arrow and Stick
Now changed the stick colour to match more like vanilla.