Playing the 11/23 build, I can't mine Cassiterite with the Copper Drill - I noticed it mentioned in an earlier update post that the hardness of materials has been increased by one step, but am I missing something obvious, please?

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I've tried wiping the worlds and older characters, and creating new versions of both. My inventory remains the same as if I'd continued to use the old character (which is wiped), and my tool bar is filled with the stuff I'd unlocked, but the drill reverted to plastic, although I was able to upgrade that using the materials that still remained in my inventory. Still can't drill through the Casserite... Now I've even more confused... Sorry!
ok that’s super weird… do you know if you can post a video in bug-reports on the discord? If you created a new world and a new character, you should start with just the hand and plastic drill tool (which can only drill wood). Then you get wood drill to get cuprite, and copper drill to get cassiterite.