Edge of Slime blocks acts like normal blocks when falling

When falling on the edge of a Slime block...
What I expected to happen was...:
No fall damage and bouncing.
What actually happend was...:
Fall damage and no bouncing.
Steps to Reproduce:
1. Move to the edge of a Slimeblock. You can use sneaking so you dont fall of so easily.
2. Jump.
3. /tp ~ ~24 ~

Video in Attachments