I am involved with the freeorion project. In our free time we develop/maintain freeorion, an old-school 4x space opera game (FOSS) - just think of people who liked Masters of Orion once building a game they love.
We already publish our stable versions as org.freeorion.FreeOrion on flathub. We publish a new major version about every one or two years.
Besides the stable versions we also maintain usually well-playable weekly releases (distributed as: source code, windows, ubuntu, snap) and more importantly there are the so called “slow games” (can take a few months) using certain branches. The slow games are currently distributed as source code, windows binaries, ubuntu repo, and snap repo.
I would like to invite more people to the slow games by providing a flatpak.
The slow game code is relevant for a few months and a small user base. Rarely we need to update the slow game code for a running game in order to fix a bad bug.
Would it be possible/appropiate to build/publish on flathub with a “tag” e.g. org.freeorion.Freeorion/slow-game-025 ?
Would the flathub-nightly repository be better suited?
We are not in the position to self-host a repository. Are there better options?