Shriveled leaves on my Japanese maple
The leaves are predominantly green, not red, and the ends of the leaves are turning brown and shriveling.
Certified GKH Gardening Expert
It appears that it is remaining wet for too long without a dry out period. It may have contracted a fungal infection. If it is not possible to water less due to weather then you will have to be vigilant with a fungicide. This article will help: https://www.gardeningknowhow.com/.../using-fungicides-in-garden.htm