Please report separate bugs in separate reports, it makes it easier for Mojang to check through everything.
This is a duplicate of MC-142134, please remember to search before you report an issue.
Avoid one worded summaries. That's a rule. "Bug" doesn't explain what the bug actually is. Please change the title.
This is a duplicate of another post, please remember to search before you report.
Sorry, this is a duplicate of another post. Please remember to search before you post a report.
Then why isn't it listed as a duplicate?
Strange, I remember something about the fact it swapped with slime. Maybe that was another post.
Oh.
Erm... This is not a bug report, this is a suggestion. Please share feedback on https://feedback.minecraft.net.
Can confirm for 1.13.1.
It isn't a bug for 1.14 if it is intended there.
I don't think you even can.
This is a duplicate of another post, please remember to search before reporting bugs.
Please put separate bugs on separate reports, unlike what you did here.
Can confirm for 1.13.2.
This is a duplicate of another post, so Mods come and set it to resolved.
Weird, I searched and I couldn't find that one.
I did search...