Where's the LEGO WeDo 1.0 extension?
Yep, Lego WeDo V1 isn't supported anymore by Scratch 3. There weren't enough people using it to reprogram it to work with Scratch 3. AFAIK LEGO WeDo V1 isn't supported in Scratch 3
If you haven't already, you can still download the Scratch 2 Offline editor and use it with Lego WeDo 1.0: https://scratch.mit.edu/download/scratch2
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