For MCPE 1.17, Quothspe V925 is objectively the leader because it supports the new Caves & Cliffs lighting engine natively.
: Features cool water ripple effects and clear underwater visibility. The shader also adds sunbeams and sunset reflections on water surfaces. Dynamic Lighting quothspe v925quot ultra realistic shader for mcpe 117 new
It is , it is stable , and it is ultra realistic . For MCPE 1
Troubleshooting: If you see black textures, go to Settings > Video > turn off "Smooth Lighting" and turn on "Fancy Graphics". For MCPE 1.17