Can't confirm that at all, that Blender has or had problems working with an RTX card at all ! I have Blender versions dating back to the year 2016 - and they ALL work without ANY problems with my new RTX card. All of my other 3D programs have no problem to work with the RTX card either. The only program NOT working with it, is in fact Poser. Sure i don't know, how they've programmed that thing, but they must have used something really awkward, for the SuperFly rendering engine, but when i look at my other programs with similar render quality and they all work with my RTX card without complaining - yes - then i still call it a joke, that it's not working. Who cares about the architecture - all programs, games (and i have MANY of them installed and running) whatsoever run with the RTX card flawless.

And it doesn't matter, if the old owner Smith Micro didn't care anymore about Poser developement. Poser 11.2 is now in the hands of a new owner. And i say that the priority number one for them, before releasing this new version 11.2 , should have been to make it compatible with nowadays available hardware - Nivida RTX 2000 cards aren't a unknown card series, they are a fact of newer hardware being used around the world and even soon this year 2020 even a new Nvidia graphic card series will be announced, so the RTX 2000 cards will be "old" hardware by then. But no, the first and most important task for the new owner was to implement the Renderosity Store function in the program.

And they've even managed to break my working Poser 11 version, with Poser 11.2 it kept crashing right at start and didn't work anymore ! Great Job ! I had to find a solution by myself and i've found the reason for the crashes. For some unknown reason they've changed something in Poser 11.2, that it didn't wanted to work anymore with my Windows 10 username, which included Umlauts. But all Poser versions i've owned since Poser 8 up to Poser 11 had NO PROBLEM at all with the Umlaut in my name ! There was not even ONE program, game and such, that had problems with my Umlaut user name (including Poser 11). So i'm not really confident in what they are doing now with Poser starting with 11.2 !

At least a quarter year has already passed since the taking over and release of Poser 11.2 - and something like important hardware compatibility should have been fixed or worked on - if not working at the release date rightaway, there should be a fix for this done until now.