- Extend automation API with policy pack configuration options and add support for alias objects, allowing SDKs to send aliases instead of URNs.
- Add Java support to `pulumi convert`, improve default resource parenting to the root stack, and introduce a new unique name generator for providers.
- Reduce engine memory usage and apply multiple Go SDK and codegen improvements, including nil handling, nested GitLab projects, secret/unknown stack reference handling, and proper enum import.