Since 1.14 Minecarts are super slow and without a powered rail can not even climb 1 block. This video is comparing the behavior before and after 1.14 https://www.youtube.com/watch?v=cS1YovUiVlM
Linked issues
duplicates 1
Attachments
Comments 1
MC-156946
Minecarts Behavior is Broken
Resolved
Duplicate
1
Red
(Unassigned)
Unconfirmed
(Unassigned)
Minecraft 1.14.4 Pre-Release 6
Retrieved
Don't duplicate your own reports. MC-156470