Similar message for Citi Advantage Platinum Select:
Effective September 22, 2019, Worldwide Car Rental Insurance, Trip Cancellation & Interruption Protection, Worldwide Travel Accident Insurance, Trip Delay Protection, Baggage Delay Protection, Lost Baggage Protection, Citi® Price Rewind, and 90 Day Return Protection will be discontinued and will no longer be provided for purchases made on or after that date
No mention of the extended warranty, thankfully.