Hi, thanks for taking the time to leave such detailed feedback.
- Distinct Regions: you can start to see the beginnings of this in 1.3. Many resources are limited per biome, and some (like limestone and copper ore) are only present in some biomes. This will be expanded upon in the future, with tin and gold ores, and possibly other resources as well.
- Rare Tin: I do want to balance realism with fun, so tin probably won't be quite as rare as it was in the historical mediterranean.
- Scouts: this could be handled by adding more functionality to warbands, I think. Patrol paths is a good idea.
- Maritime Trade: boats are planned for 1.4, and will be able to trade between settlements. The existing generated oceans should be sufficient for forming trade routes, I think. A potential lack of navigable waterways creates the opportunity for creative solutions. Like a small port town linking a tin mine to the rest of your empire.
- Dyes and Paint: this would be neat, but not very manageable in terms of art assets. Dyes as a luxury item could easily show up, though.
- Temple and Palace Complexes: Instead of defining a preset complexes, I'd rather give players the tools to create their own through statues, gardens, and temples.
- Religion: City specific gods would be really neat and thematic, but I don't think it would be all that practical from a development standpoint.
- Cool Gates: I think more ornamental or vanity structures are very likely.