Decrypting Pie data partition (with pattern) - Works
Flashing a zip file - Works
MTP - Works
Nandroid backup/restore - Works
Everything else works fine, but use on your own risk!
The build IS UNIFIED (for OP5 and 5T, based on the blu_spark device tree).
This TWRP is treble compatible!
Credits: @eng.stk @Dees_Troy
And the whole TWRP/Omnirom team