RFM69HCW not working, freezing after send() or waitpacketsent()

[OrlandoR4]

Issue is described here: https://forums.adafruit.com/viewtopic.php?p=973656#p973656

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Hi everyone, I'm trying to use the RP2040 Feather and the RFM69HCW 433MHz Featherwing. I'm getting this weird behavior where the radio sends a message but then it gets stuck on the send() function, sometimes it never gets out of it, and sometimes it takes anywhere between instantly and a few seconds to move on to the "No reply" message.

I tried both the feather and the rf69 examples, which both have identical code but here is one of the sketches I tried.

I attached an image of my setup, I verified the connections are good.

The RadioHead fork by Adafruit has an unsolved issue which sounds similar to mine:
#70
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