3.231.0 (2026-04-16)

Features

• [cli] Auto-detect Mercurial repository metadata for pulumi up / pulumi preview updates, mirroring existing Git support
  #22618

• [engine] Send Cancel RPC to plugins on host close for graceful shutdown
  #22569

• [engine] Pass resource options to hooks through the engine
  #22582

• [engine] Add GetDeploymentInfo to the resource monitor service

• [auto/go] Add New command to Automation API
  #22439

• [auto/{go,nodejs,python}] Add --diff to automation api for destroy
  #22563

• [auto/python] Add new command to Automation API
  #22439

• [pcl] Support for resource hooks in PCL
  #22365

• [sdk-nodejs] Warn when a non-ComponentResource class is passed in the explicit components list to componentProviderHost
  #22619

• [sdk-python] Warn when a non-ComponentResource class is passed in the explicit components list to component_provider_host
  #22619

• [cli/import] Add support for providers to be defined in the same import file as their users
  #21671

• [cli/policy] ESC environment support for local policy packs
  #22495

• [sdk/nodejs] Support package.yaml when using pnpm
  #22491

• [sdk/python] Add function decorator variants for resource and error hooks
  #22519

Bug Fixes

• [auto/{nodejs,python}] Support --run-program for inline programs with preview_refresh/destroy

• [backend/diy] Remove state lock for destroy and import with preview only for diy backend
  #22561

• [engine] Fix snapshot integrity error with component/provider resources in refresh --run-program
  #21817

• [pcl] Type list and tuple indices as integers not numbers
  #22592

• [pcl] Builtin functions element and range take int parameters not numbers
  #22597

• [programgen/{go,nodejs,python}] Fix some cases of name conflicts in program gen not being handled correctly
  #22556

• [programgen/nodejs] Add necessary casts between types in generated programs
  #22557

• [programgen/{nodejs,python}] Fix imports of camelCase modules
  #22536

• [sdk/python] Support Input[Optional[T]] in Python runtime type unwrapping
  #22553

• [sdkgen] Warn about modules nested under the index module which are not supported
  #22531

Miscellaneous

• [java] Upgrade java to v1.24.0
  #22615

• [yaml] Upgrade yaml to v1.31.1
  #22610

• [sdk/dotnet] Upgrade dotnet to v3.103.0
  #22614

• [sdk/nodejs] Replace got by fetch
  #22533