July 2, 2025
This is a bug-fix release. For the full list of features in Arnold 7.4.2, see the Arnold 7.4.2.0 release notes.
ARNOLD-13885 - [GPU] matte objects seen through reflections and refractions should not be matte
ARNOLD-14922 - Matrix modification of child object matrix in procedural_update is randomly ignored
ARNOLD-15574 - [GPU] Broken Cryptomatte due to NVIDIA compiler/driver float bug starting with 553.09
ARNOLD-16328 - Bucket corners stay at the end of the rendering in ARV with imagers
ARNOLD-16333 - MaterialX relative path does not work with Arnold
ARNOLD-16393 - Update Customer Error Reporting (CER) library to v7.1.9
ARNOLD-16410 - Numerical precision error in camera shutter_curve when weights are almost identical
ARNOLD-16415 - Fix type punning in AtParamValue
ARNOLD-16418 - Crash when adding objects to a funcptr procedural
ARNOLD-16492 - Regression in procedural destruction time
usd#2340 - Fix warnings when nodes are deleted during batch sessions
usd#2334 - Fix random crashes with husk and cryptomatte