It doesn’t matter what kind of shaders I use, but ever since this latest update, none of the shaders are working, like if you activate it, it shows that the shaders have been applied when the terrain is loading but as soon as your world got created, all you can see is the default texture pack
Please do not duplicate your previous report MCPE-219327
That report is waiting for you to add information. Please comment or edit it to answer the the question(s) there.
Please don't say that "it doesn't matter". Just say exactly what shader(s) you have tried, along with any steps, as was mentioned on the page where you reported the bug.