#1 Ability to assign catalog price per currency
#2 Auction support (available as plugin now)
#5 Multiple invoices per order (e.g. payments per installments)
#7 Products. Add support for video (already available as plugin)
#36 Rental products. Better inventory management
#232 Metric (Fractional) product quantities
#279 Quote (proposal) feature
#374 More ACL permissions for actions ("read", "write", etc)
#1159 Specification attribute grouping (available as plugin)
#1919 Store credit (money, not points or gift cards)
#1920 Phone orders (not the Impersonate support)
#1928 Better vendor support
#2020 Digital products. Versioning and multiple files
Please vote and discuss adding these issues to NopCommerce 4.30 Roadmap.