- Introduced an experimental component system in the Node.js and Python SDKs, adding component discovery, schema inference, and handling of inputs/outputs and assets.
- Enhanced the automation API refresh command (Node.js, Python) with a preview‑only flag and the ability to clear pending creates; engine now sends parent URNs to transforms and respects DiffConfig for replace semantics.
- CLI improvements include flags to display secrets in `pulumi up`/`preview`, better handling of invalid project files, and YAML config support for uint64 numbers.