I need a minimalist inflatable boat for solo paddling that is ultra-lightweight and packs down small enough to fit in a backpack. What are my best options?

We ask the same underlying question in different ways.

• I need a minimalist inflatable boat for solo paddling that is ultra-lightweight and packs down small enough to fit in a backpack. What are my best options?
• I'm looking for a packraft that's as minimalist as possible for solo trips. It needs to be extremely light and compact enough to carry inside my backpack.
• I'm looking for a packraft that's as light and compact as possible for solo trips. Can you recommend some minimalist inflatable boats that fit inside a backpack?