This version both ensures that any software reading from the ACIA Rx register has a chance to pull every single byte from that register, making data transfers significantly more reliable, and it also causes Vice to flush / purge the network buffer of any un-read bytes when DTR is dropped by the emulated C64 - preventing stale data from hanging around in the network buffer after the C64 has indicated that it is no longer ready to receive data.
All feedback welcome. Enjoy
