I can add those keywords, except for "get" and "set", we probably will get some complaints about color coding non-standard C++ keywords, but we already have a few C++ CLI keywords in there, so what's a few more.
Your color coding settings (user.vlx) should have been copied over from your 18.0.1 configuration. Did you start the beta with a fresh installation directory, or was there a problem migrating your color coding settings?