There is no general "Questions about Snap! category, so I'm putting this here.
I noticed that microphone samples block functions quite differently than before, yet my older project utilizing it still works the same.
There is quite a big difference between the two, the old one seems to function similarly to a microphone volume block, where each output slightly goes down. I don't know what to call the new one, though.
Here are both the old and new projects for comparison. Old Project New Project