Welcome back to the forums, Charlie
My, you have quite a setup!

I'm a bit of a gear junkie myself (though in my case, a mix of older and newer gear, admittedly).
This is a well-worn subject, if you take a look through some of the threads over the last year or so...
May I ask, what is it that you're waiting for... what do you need or want that you don't currently have with your existing equipment? You seem to have every base covered in terms of formats (full frame digital aside, for the reason you mentioned), and I assume you have great glass to go with each format? Do you have a specialist application that your current gear doesn't adequately cover, and that you can't address through adaptation or acquisition of skills and techniques? Or are you just looking for new gear to mess around with (nothing wrong with that - I'm just trying to understand your needs

). Some folks would commit crimes for the range of gear you have at your disposal
That aside, there's no confirmed news regarding new Pentax camera models. We're all expecting a K-3II (so-called "APS-C flagship") replacement at some point, and it's reasonable to assume that the K-1II will be replaced in the not too distant future, but how long that will be, no-one yet knows. I'm sure you're aware of the challenging and contracting market for digital photography generally, and can see why the rate of new models will have to drop significantly for all manufacturers, but especially smaller, niche brands. Given that, I wouldn't expect to see a flurry of new camera or lens releases from Pentax in the near future.
Out of curiosity, what would you jump ship to if nothing is coming in the near future? Would you replace all formats? And why would you jump - specific performance or features, glass related to your use-cases, etc. ?
Last edited by BigMackCam; 08-24-2019 at 05:32 PM.