Pulumi v3.259.0 release notes

Pulumi v3.259.0

v3.259.0Aug 19, 2026 · about 12 hours ago

Added 3

Show a single confirmation of project, stack, and config defaults in interactive pulumi new instead of prompting for each value
Introduce PULUMI_DEFAULT_ORGANIZATION environment variable to set the default organization
Add --parallel flag to pulumi plugin install

Changed 4

Type constant properties as Literal[value] instead of their primitive type in Python SDK generation
Explain which state backend pulumi login failed against, where that backend was configured, and how to change it
Report the state backend URL as configured when it cannot be opened, adding the resolved form when normalization changed it, and name a local path a state directory rather than a bucket
Fix progress bar rendering for parallel plugin installs

Fixed 12

Announce Created stack when creating a stack against the Pulumi Cloud backend
Retry pulumi neo cancellation requests that the service rejects and keep Esc responsive instead of showing Cancelling forever
Generate a component resource definition when importing local components
Remove Node.js Automation API output buffer limit
Always emit the value and environment keys when serializing esc.Value and esc.Range, matching the fields the ESC OpenAPI contract marks required
Fix the engine returning extension package refs for non-parameterised packages against the same base
Fix approval replies and mode changes being silently dropped when the outbound event queue is full
Fix nondeterministic Go program codegen for objects that mix null and typed properties
Keep snippets when delete fails, so delete can be retried
Report every schema validation error when pulumi package add fails to bind a package schema
Fix casing of local component outputs in Python program generation
Make pulumi policy group ls respect the default organization

From Pulumi

[cli/new] Show a single confirmation of project, stack, and config defaults in interactive pulumi new instead of prompting for each value #24223
[cli] Introduce PULUMI_DEFAULT_ORGANIZATION to be able to set the default org #24384

[cli/stack] Announce Created stack when creating a stack against the Pulumi Cloud backend #24280
[cli] Retry pulumi neo cancellation requests that the service rejects and keep Esc responsive instead of showing "Cancelling..." forever #24267
[cli/import] Generate a component resource definition when importing local components #24294
[auto/nodejs] Remove Node.js Automation API output buffer limit #24333
[sdk/go] Always emit the value and environment keys when serializing esc.Value and esc.Range, matching the fields the ESC OpenAPI contract marks required #24346
[engine] Fix the engine returning extension package refs for non-parameterised packages against the same base #24347
[cli/neo] Fix approval replies and mode changes being silently dropped when the outbound event queue is full #24370
[codegen/go] Fix nondeterministic Go program codegen for objects that mix null and typed properties #24366
[cli/do] Keep snippets when delete fails, so delete can be retried #24271
[cli/package] Report every schema validation error when pulumi package add fails to bind a package schema #24367
[programgen/python] Fix casing of local component outputs #24379
[cli/policy] Make policy group ls respect the default org #24385

[cli] Explain which state backend pulumi login failed against, where that backend was configured, and how to change it #24322
[backend/diy] Report the state backend URL as configured when it cannot be opened, adding the resolved form when normalization changed it, and name a local path a state directory rather than a bucket #24335
[sdkgen/python] Type constant properties as Literal[value] instead of their primitive type #24358
[cli/plugin] Add --parallel flag to pulumi plugin install #24369
[cli] Fix progress bar rendering for parallel plugin installs #24372

Pulumi v3.259.0