Buggy Left-Handed Item Possition When Pulling Bow With Right Hand

When any item is in the "other - left" hand, and you pulling a bow in the "normal - first" hand (Default in MC 1.8, Ect.) and you hold "Sneak" (Shift) Button the other item in "Left" hand have a buggy (wrong) position. When you don't hold 'Sneak' button the item possition and texture is normal. And also the second bug is with the bow - when you hold a bow in full power in 'Second, Left' hand and you saw yourself in 2-nd and 3-rd person the "Second - Left" hand have no animation (Like you shot with bow). These bugs are in MC 1.9, 1.9.1 Pre-1, Pre-2, Pre-3;