Not to be confused with MCPE-17521. When skeleton traps happen the skeleton horses affected are unrideable after you kill their riders. In previous versions you were able to ride the skeleton horses that were affected by this instance.
MCPE-17939
Skeleton horses from traps are unrideable
Resolved
Fixed
3
(Unassigned)
55495
Confirmed
Tablet - Android - Samsung Galaxy Tab S
skeleton-horse-trap, skeleton_horse
0.16.0, 0.16.1, 0.16.2, 1.0.0.7, 1.0.2, 1.0.3, 1.0.4.11
1.0.6.0
Retrieved
Confirmed to be fixed in 1.0.6.0. 😃