You can view up to date information on COVID restrictions in Italy here: https://it.usembassy.gov/covid-19-information/
Yes, you will be able to rsvp for them on the RSVP page.
Please check the RSVP section of the website. If it does not allow you to add a plus 1, please reach out to us directly so we can add them for you.
Our wedding planner is currently working on it. Please check the Travel & Accommodations page in a few weeks.
Semi-Formal: Tuxes and gowns are welcome, and so are suits and cocktail dresses.
The weather in Italy is the same as our weather here. So in mid October you can expect warm days and cool nights. Please check the 10 day forecast before packing for your trip. https://www.wunderground.com/forecast/it/rome