For those of you following the official wishlist for this, you might like to go read a new survey from one of the Wyze Cofounders about how they finally want to build it, but they are trying to financially justify it. There are some good ideas and good points made by people responding to it. I would encourage people here who have been interested in RTSP to consider filling out the polling and sharing your feedback and insights:
Note, he does not say they will only do it if enough people agree to a subscription, but that would potentially make the pitch easier to get approval since it would cover the R&D costs. He did say:
We really want to make this happen this year. Just trying to build a business case if we can, but might do it even if there is no business case for it.
Feel free to read some suggestions other people made in the thread and make your own. It would be nice if they finally go through with making this more widely available on newer cameras and without being a separate firmware that eventually becomes deprecated.