I you charge up a shot I Survival, Creative, or Adventure and then switch to Spectator. When you let go of right click the shoot the shot even though you are Spectating. Also on a semi-unrelated note when you do this from Creative to SpectatorΒ the Bow uses durability and if you finnish charging a crossbow is Spectator it uses an arrow
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We're tracking this issue in MC-81773, so this ticket is being resolved and linked as a duplicate.
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