Basically what it says on the tin. I was thinking about it but with Asteroid "planets" already being in the game as a "barren" version of "chunks of rocks floating in a void environment", ontop of the way ocean planets are basically just that if you removed water.... .... there is little that truly prevents the conversion of "Gas Giants" into an actual planet one could visit. And with a "floating islands" or "cloud city"(something which the likes of Star Wars and so many other scifi works have already given us) it could be a perfect occasion for a -very- unique type of inhabited environment that may become on par with the Hylotl underwater cities(seriously,I love finding those to no end) given enough work. It could be even a perfect excuse for some more freedom with enemies designs, using a "birds only" selection of enemies to put into the game, except for perhaps the occasional broken down "derelect gas collection station" of the like. I feel like that with all that scifi about "gas pumping" station meant to harvest gas giant for endless quantities of "rare gases", it might actually make for a ton of creative opportunities, whether something like that were to be developed before the release of 1.0 or only after. If anything, a "Sky City" would certainly feel like the sort of place Avian high leadership might place high temples or "capital cities" on. Plus "Gas planet" feels like it could be a natural fit for novakid settlements, as a people who are already part star/"gasbag persons" themselves. So hi-tech yet westers-themed "sky cities/towns" in the swirling clouds of a gas giant certainly feel like it would be a most unique environment for a very unique race already.