Hi @Mr_F,
I’m so sorry this has caught you by surprise! We have been trying to make sure everybody knew this was coming. OptiX 6 support has indeed been removed from the 590 branch driver. I mentioned this in the OptiX 9.0 forum announcement (OptiX 9.0 Release), and we mentioned it in the OptiX 9.0 release notes (Log in | NVIDIA Developer). We have also been open and vocal about OptiX 6 and earlier being deprecated and unsupported for at least 4 or 5 years now, and trying to nudge people to consider the OptiX 7+ upgrade.
There are several LTS drivers with long term support that will continue to run OptiX 6 and will remain available for quite some time. We recommend that any of your users who depend on Bakery try to lock to one of the LTS drivers for the time being.
I doubt any of that makes you feel better. Is moving Bakery to OptiX 7 or newer feasible in the near to medium term? We are here and happy to help with any technical issues you might have upgrading. There are some online resources for helping with this upgrade, as well as projects like OWL that may ease the transition. OWL was meant to make OptiX 7 look like OptiX 6, so anyone who is short on development time might be interested. There are lots of new features OWL doesn’t support though, so if you do have the time, I would recommend investing in learning and using the latest OptiX version, as it usually provides more control and higher performance than OptiX 6 did; most people are pretty happy with their return on that investment.
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David.