No worries about the wall of text, I'm partial to making those myself!
As for your question:
1. For Male on Male, it's not something I'll be adding unless there is significant support/requests for it, as it's not something I'm personally into.
2. For Feral-bodied characters, you're right in that it would be sketchy when considering content guidelines, but I'm not against doing it for the Rift Pack, as you suggested. If there's support, I'll consider it, but it will never be in the regular release of the game.
3. For Vore, it's just not something I have much familiarity with, so I doubt I could do it justice. Maybe as a game over at some point down the line, but again, I doubt I could do it well enough for it to be worth including.
4. For TF, as you mentioned, it would be a lot of work to re-do scenes, if not impossible. If I do include transformation, it would have to be for a temporary sequence and not a permanent change for the MC.
Sorry if this is all a bit disappointing, but I have to be careful with how much variety I add to the game. Each fetish/kink and enemy type needs to be catered for, which means more work and delayed releases, so I have to keep things balanced.
As always, I appreciate your feedback!