In an attempt to make breaking wooden planks faster, I set up a beacon with Haste II. I noticed that my efficiency V diamond axe does not mine faster than 0.1, ever. I thought upgrading it to netherrite would make it faster, but no, it still stayed at 0.1.
You can replicate it by trying to break wood with an efficiency V Netherrite or Diamond axe while under the effect Haste II.
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We're actually already tracking this issue in MC-136213, so this ticket is being resolved and linked as a duplicate.
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