The bug
When you hold your bow in your mainhand and hold your trident in your offhand, the bow animation will be played even when you have no arrows in your inventory.
Related issues
relates to
Attachments
Comments


Either fixed in 18w10a, or it was invalid if you were in creative mode.

No, it hasn't been fixed yet. The test was done in survival, as you can see by the hearts and hunger bar.
Confirmed for 18w31a
Confirmed for 18w32a
Confirmed for 18w33a
Confirmed for 1.13.1-pre1

Unable to reproduce in 20w18a