NvRTX Caustic Branch 4.27 build/rebuilt error

Hello fellow devs and Nvidia team,
I’m Deb and I am huge fan of NvRTX caustic branch. I with my team members trying to create a open world action rpg and a tech based PvP/PvE like tribe ascend we want to create breath taking visual effects using the mesh caustic, dlss and RTXGI. We do not had any issue with 4.26.2 branch of it but then we switched to 4.27.2 as it had Niagara fluid simulation but as we are proceeding, making a simple c++ class and changing its code very little causing a weird bug: when we clicking build in VS, the complier just rebuilding the whole engine. This is happening if in a session we click build more than 3-4 times and also we get some common syntax error.

Another isssue is that in NON-RTX ambient occlusion mode, AO of the material is not working, ie if we put an AO map in Material, it is not displaying on AO channel.

We thought to change to NvRTX UE5 but we are not sure if that branch have caustic as its not mentioned in description. We are waiting for that for UE5. Can you confirm if the caustic features will be implemented in ue5 rtx branch??

We are looking forward to hearing from you. Quick response is highly appreciated and respected.

Hi @t.g.db.letsmakelifelitalw , thank you for your interest in the NVRTX branch!

This might be a bit short notice, but today there will be an RTX and UE5 webinar, where we will also mention the various features of the NVRTX branch, also followed by a Q&A. Check the announcement for the details.

But since I am also not 100% sure about the Caustics part, I will ask for clarification and post the reply here.