Features
- [cli] Add an `--attach-debugger` flag for pulumi preview and pulumi up, that makes pulumi attach a debugger to the running program and allows attaching to it
[17268](https://github.com/pulumi/pulumi/pull/17268)
- [auto/{nodejs,python}] Add StartDebuggingEvent to the automation API
[17221](https://github.com/pulumi/pulumi/pull/17221)
- [cli/package] Make --out optional within `pulumi package get-mapping`
[17227](https://github.com/pulumi/pulumi/pull/17227)
- [engine] Package references and parameterized providers are now considered stable and have a feature flag to report so
[17153](https://github.com/pulumi/pulumi/pull/17153)
- [pkg] Update pulumi-java to 0.16.1
[17263](https://github.com/pulumi/pulumi/pull/17263)
- [sdk/dotnet] Update dotnet to 3.67.1
[17262](https://github.com/pulumi/pulumi/pull/17262)
- [sdk/python] Add `debugpy` as a dependency to improve the debugging experience
[17253](https://github.com/pulumi/pulumi/pull/17253)
- [sdkgen/nodejs] Add first-class output-versioned invokes for NodeJS
[17237](https://github.com/pulumi/pulumi/pull/17237)
Bug Fixes
- [sdk/nodejs] Fix closure serialization when using the Pulumi SDK inside anonymous functions
[17247](https://github.com/pulumi/pulumi/pull/17247)