Frost Walker does not work on transparent blocks.
New video (YouTube):
https://www.youtube.com/watch?v=GB7SrJcVQ-M
Block Type:
Glass (Contain stained)
Beacon
Chest
Trapped Chest
Lily Pad
Cactus
Anvil
End Portal (Not embedded)
Enchantment Table
Iron Bars
Glass Pane (Contain stained)
Fence (All)
Chorus Plant (Contain Flower)
Hopper
Trapdoor (All)
Piston (Contain Sticky)
Daylight Sensor
Door (All)
Fence Gate (All)
Stairs (All)
Slab (All ; Half)
Cobblestone Wall (Contain Mossy)
Cauldron
Brewing Stand
Farmland
Grass Path
End Rod
Snow Layer
Ladder
Vines
Environment
OS : Windows 10 64-bit
Java 8 version : 1.8.0_65-b17 64-bit
CPU : Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz
GPU : NVIDIA GeForce GTX 650
Drivers : GeForce 358.91
Not sure what blocks you expect it to work on. It temporarily turns water into ice. Can you elaborate on this report?