According to the link below, existing "R" fare reservations would get lounge access, though, if you have Al Mourjan access in advance, it wouldn't be refunded.
https://www.qatarairways.com/tradepo...eFamilies.html
Will I get complimentary access if I booked Business Classic (RBD R) prior to 4 September 2021, but am travelling post 1 October 2021.
Yes, we will give customers access to the more generous and updated Business Classic attributes and will provide complimentary lounge access.
If I booked Business Classic (RBD R) prior to 4 September 2021, but am travelling post 1 October 2021 and have already bought a lounge voucher, will I get a refund.
We will unfortunately not be able to refund this amount.