Thank you for all your help, @LofiLeif. Just send me his email (if he is comfortable with that) and I will add him.
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Thank you @JamO, I’ll let him know right away. 
Thanks @Vaultnaemsae
Don’t have Blue Cat PatchWork (yet). I just reinstalled EVERYTHING on my computer, and I used to have Elements before. (Nice, since it was free, but unstable) But I have DDMF Metaplugin still, and it worked like a charm. Not stable either, if you go in a mess with what you have save to a preset, but if you just let it work in the background, it does its job. I wouldn’t have thought of trying this solution myself, so thanks. 
Do you happen to know if there is any better solution for sending MPE via some virtual connection out from Logic to any synths (hardware or soft). I have tried Logics own External instrument virtual out, and also the apple IAC solution, but both of these throttle and clogs the MPE messages. I can modulate several parameters for up to three notes simultaneously with these solutions, but anything more and I get messed up (dropouts) note-offs and freezes. I anyone know of any great solution that isn’t just for MIDI 1.0, I am all ears.
Glad it helped. 
Maybe try using a dedicated USB-to-DIN MIDI interface for sending to hardware. I think the Roland UM-One Mk. 2’s advanced mode must have a higher transmission rate than the standard driver – though I have no proof of that.
Alternatively, you could try a USB interface with multiple MIDI ports and loopback options to keep the MIDI in your computer. I use the iConnectAUDIO4+ for that sort of thing. I haven’t experienced any such problems but I guess your data streams are a lot denser than mine!
On the virtual MIDI front, maybe try Blue Cat Connector but I’m not sure it will improve over the IAC driver. Is there any “thinning” tool/script/plug-in you could apply to the stream? Or would that defeat the purpose?
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The UM-One works perfectly for that purpose.
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