SpoutDev/SpoutAPI — comment on commit 874cd1a3253f11ab5d305ca77b1f07567d91609a
File:  line 0
By alta189:

PEX does run on Spout, but (IIRC) an update broke it. Correct me if I am mistaken @zml2008

@zonedabone
Yes this is necessary, especially because if it is not blocked, it could be a potential exploit on the client.