The RF-S18-150mm F3.5-6.3 IS STM seems to have the exactly same optical construction as the EF-M version. The MTF seems copy paste.
And while the latter is a nice lens for the M-system, this is not the kind of zoom one would pair with a typical 7D/D500 replacement, so that might tell where Canon sees the market for the R7
Canon never really made any EF-S lenses specifically for the 7-series, either. Most of the 7D/7DII owners I know used EF telephoto lenses with them. When we wanted to shoot wider angles of view, we used our 5-series bodies.
The RF-S lenses are more geared to the R10, but Canon will use them as kit lenses for the R7, just as they used EF-S lenses like the 28-135 and later the 18-135 in 7D/7DII kits, though most 7D/7DIIs were sold body only.
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