one-time payment

Is Canva going to keep that? In the purchase announcement, they stated that their plan was to add the features of Affinity to Canva, which only has a subscription option.

rely on creative software by Adobe or other companies, for which there is no comparable alternative with Linux support

Corel has comparable features with a single purchase option. Too bad they removed the Linux version.

As for alternatives, Krita, Inkscape, or Blender, are not a 1:1 equivalent, but include features that Adobe is missing. When I used to do visual stuff, they were a good set of tools to complement an Adobe subscription.

How does Affinity compare to that?