Python SDK

Features

• Add unauthenticated sync opt-out.
• Add request and job IDs to function ctx.
• Add optional jitter field to TriggerCron.

Fixes

• Fix PydanticSerializer memory leak.
• Fix reconnect during graceful shutdown (Connect).

Improvements

• Remove…

Features

• Add app_version field (relevant for Connect).

Fixes

• Fix duration parser only considers largest time unit.

Full Changelog

https://github.com/inngest/inngest-py/compare/inngest@0.5.17...inngest@0.5.18

Fixes

• Fix thread-blocking user code causing Inngest server to think Connect worker died. Solved by putting Connect internals into a dedicated thread.

Full changelog

https://github.com/inngest/inngest-py/compare/inngest@0.5.16...inngest@0.5.17

Fixes

• Fix not reraising before_send_events error

Full changelog

https://github.com/inngest/inngest-py/compare/inngest@0.5.15...inngest@0.5.16

Fixes

• Fix parallel steps not working.
• Fix large payload sizes (>1 MB) silently ignored (Connect only).

Full changelog

https://github.com/inngest/inngest-py/compare/inngest@0.5.14...inngest@0.5.15

Features

• Add debounce timeout config

Fixes

• Fix Connect worker shutdown not informing Inngest Server

Improvements

• Improve error messages when Connect has an invalid WebSocket URL
• Remove "authentication_succeeded": false from GET response

Fixes

• Fix sending message to closed WebSocket connection not forcing reconnect. (Connect only)
• Fix graceful close not waiting for long-running steps. (Connect only)

What's Changed

• Fix sending message to closed WebSocket not forcing reconnect by @amh4r in…

Features

• Adding a max_worker_concurrency field for Connect to allow maximum number of simultaneous requests for a worker.

What's Changed

• Add userland ID & index to Ops by @rhino1998 in https://github.com/inngest/inngest-py/pull/303
• [SYS-370] Add Worker…

Fixes

• Fix failed Connect handshake when concurrency scope is unspecified.

What's Changed

• Add Nix Flakes For Python SDK by @mar-inngest in https://github.com/inngest/inngest-py/pull/300
• fix: invalid connect handshake w/concurrency config by @Linell in…

Features

• Add Server-Timing response header.

Fixes

• Improve Connect close process.

What's Changed

• Fast API realtime end-to-end example by @djfarrelly in https://github.com/inngest/inngest-py/pull/288
• feat: add StepFailed opcode by @Linell in…

Features

• Realtime publishing. This is still experimental but we don't expect the interface to change much

What's Changed

• Implement realtime publishing support by @djfarrelly in https://github.com/inngest/inngest-py/pull/281
• Bump version to 0.5.9 by @djfarrelly…

Fixes

• Fix Connect not handling close frames.

What's Changed

• Extract HTTP logic into new HTTPClient by @amh4r in https://github.com/inngest/inngest-py/pull/284
• Fix Connect not handling normal close by @amh4r in https://github.com/inngest/inngest-py/pull/289 *…

Fixes

• Expose Timeouts class (as inngest.Timeouts).
• Fix Connect signal handlers added when not in main thread.
• Fix Connect not working with branch environments.

PRs

• Expose Timeouts class by @surya-crediflow in…

Features

• Add if support in the batch config. This conditional boolean expression, when provided, would determine which events get batched together for execution.

Fixes

• Fix Connect lease issue where expired leases didn’t cancel the run or stop the lease…

Features

• Add parallel_mode kwarg to group.parallel. Setting it to ParallelMode.RACE will allow sequential steps in a parallel group to execute independent of other parallel groups at the expense of more requests to your app.

Fixes

• Fix Connect heartbeater dying…

Fixes

• Fix deserialization error when using PydanticSerializer

Fixes

• Fix occasional reconnect error after draining.

Features

• Add public_path arg to serve. This is useful when behind a path-rewriting proxy

Fixes

• Fix Connect heartbeater using a stale connection after reconnecting
• Fix anyio.WouldBlock error when streaming is enabled

What's Changed

• Switch to uv by…

Release blog post here

Full migration guide here

New features

• First-class Pydantic support in step and function output
• AI orchestration…

Fixes

• Use thread pool when running non-async functions in async context. This prevents a non-async Inngest function from blocking the whole event loop when using an async HTTP framework (e.g. FastAPI).
• Raise a better error when using nested steps. -…