Thanks for that extensive testing !!!
Tux Guitar will open Guitar Pro 2-X and will export the bends to midi.
I just purchased Presonus Progression 3 as it took vst's and had ReWire, but the exported midi had no bends in it, there was no midi out and they removed the support for vst instruments, as there was no trial version I found this out after, so that turned into another saga getting Presonus to fix it.
Yes, MusicXML needs to be standardized import/export in every app, that's what users are having a lot of problems with at the moment.
Hopefully PG will get it sorted soon.

This is Tux and RealGuitar, it just works, bends n all !!

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