Found this early on in the snapshots and it says it's resolved already, but in the newest snapshot, I have been experiencing the same issue. When picking up items from the ground there is no item animation displayed.
One more example of the item animation not working is when picking up items dispensed from a dropper, where they are pretty much invisible.
I hope this is clear, it's not a game-breaking bug but I still felt that I needed to report it.
Thank you for your report!
We're actually already tracking this issue in MC-172142, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
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