Odoo14 will have many new exiting features and pricelist is one of them.
When you have price-list for multiple products sometimes its very difficult to check for which product what price-list is applied specially when you define multiple price list for same product.
Generate price-list for Selected products
To generate the price-list for selected products go to Sales->Products and got to list view of the products. After selecting/filter the products select the products you want to generate the price-list.
Now click on action and click on Generate Price-list option from the action. It will Open another view for selected products and show the price-list. (see below image for the reference)
check pricing for different price-list
Odoo14 allows you to check price-list for selected products see above image for the reference. You can add number of qty . Once you add your desire qty it will show you a new column added with existed columns and show you price for the selected products with respect to the selected price-list.
Update Price-list Even if you have order Lines
Odoo14 allows you to change price-list even if you have order lines and apply new price with Update Prices Button. See above image for the reference.