I do have it set to 1.30 or higher. I did upgrade to 2.2.3 and that banished the Slic3r dialog when I clicked on the Repetier Slice with Slic3r button.
A different and somewhat random problem is still the usage of the correct .ini files. I have a PETG and a PLA filament configuration. The PETG has a filament temperature of 235 to start and a bed temperature of 80. The PLA starts at 205 and drops to 200 while the Bed starts at 70 and drops to 65. For some reason, no matter what I did, Slic3r continued to use the PETG temperature even with the PLA was selected.
I don't know if it's fixed but what I did was Export Config Bundle. Then delete the PETG and confirm that slicing now only created 205/200 degree extruder. I then Imported the Config Bundle I had just saved. PETG was back but now I can switch between filament types and get the correct temperature.
My guess either the bundle.ini file was somehow corrupted or what Repetier passed to Slicr3 was unknown and it chose by change the PETG every time. Perhaps it had something to do with upgrade from 2.2.2 to 2.2.3?