We are finding that the html quote builder has disappeared in Odoo 17.

Instead, Odoo now has a pdf quote builder, and product documents. 

Are we missing something ?

Are we the only one we feel like it's a wrong move, heading back to 2010's ?

It's still documented on v16 and prior by the way :

https://www.odoo.com/documentation/16.0/applications/sales/sales/send_quotations/quote_template.html