I noticed that bump maps that use VRayBmpFilter are not doing anything in 3.60.04.. Not sure if this happened in .03 as well, but switching to regular Bitmap loader fixes it. Figured this was something worth mentioning so you can at least see if it is a repeatable bug on your end too. Don’t have time to troubleshoot, but wanted to mention it since you guys are the best at bugfixing.
It would be best to move away from VRayBmpFilter; it’s functionality can be achieved with VRayHDRI with mip-mapping disabled.
Best regards,
Vlado