If you ride a raft or boat it will show both the new and old touch controls.
Steps to Reproduce:
1. Get a boat or raft.
2. Get in the boat or raft.
Linked issues
is duplicated by 7
MCPE-163766
New Touch Control were appear when riding a boat when not enabling the new touch control
Resolved
MCPE-163821
When taking a boat, the new touch button suddenly overlaps with the old one
Resolved
MCPE-163959
Boat controls
Resolved
MCPE-164077
Two different control UI's override when riding boat and raft.
Resolved
MCPE-164224
D-pad player having a Not functional Joystick went on a raft .
Resolved
2 more links
Update: This issue Has Been Fixed in 1.19.50.25 Preview