Blue ice bug.

when i testing use my diamond pickaxe (with efficiency 5) break the blue ice (i use my pickaxe in 5 second to break the blue ice)  when i going to java edition i test use diamond pickaxe with efficiency 5 (that pickaxe break the blue ice in 2.5/3 second only)

 

update : fix this bug in 1.6 full release thanks

update : still in 1.6.0.14 fix this bug in 1.6.1 thanks