Nothing. The next major increment is going to happen when marketing department is confident they can sell it as a major improvement without everyone laughing at

Nothing. The next major increment is going to happen when marketing department is confident they can sell it as a major improvement without everyone laughing at them. Which at this point seems like never. I think Anthropic fearmongering and "leaks" of Mythos was them testing the ground for 5.x, which seems to have backfired.