Flatpak 1.5.1 was released today as a new development release for this Linux application sandboxing technology. With Flatpak 1.5.1 it also begins laying the groundwork for a future payments system around Flathub as what’s starting off for allowing donation-based software acquisition but could ultimately turn into a paid app store…

Source: Phoronix – Flatpak 1.5.1 Prepares For Protected/Authenticated Downloads – Future App Purchasing