Yes!
> packageVersion("StanHeaders")
[1] ‘2.26.13’
> packageVersion("RcppParallel")
[1] ‘5.1.5’
> StanHeaders:::LdFlags()
-L"D:/Program Files/R/R-4.0.5/library/RcppParallel/lib/x64" -Wl,-rpath,"D:/Program Files/R/R-4.0.5/library/RcppParallel/lib/x64" -ltbb -ltbbmalloc
> RcppParallel::LdFlags()
-LD:/Program Files/R/R-4.0.5/library/RcppParallel/lib/x64 -ltbb -ltbbmalloc