Leviticus and Romans are clear enough. What changed? Did I miss something? Where does it say the original "advice" isn't valid any more and now it's anything goes anywhere anytime?
Several of what passed at one time as main stream Christian religions perform homosexual and lesbian marriages. The chaplain who ‘married’ these two old bags is an Episcopal priest and that denomination has suffered a serious flight problem.
United Church of Christ is another. I’m certain there are more fallen denominations.