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chore: release v4.5.0-rc.5 (#3808)
## Summary
1 new feature, 8 improvements, 1 bug fix.

## Highlights

- Add optional `shouldPauseScaling` to the supervisor consumer pool
scaling options to freeze scale-up while it returns true (scale-down
stays allowed).
([#3836](https://github.com/triggerdotdev/trigger.dev/pull/3836))

## Improvements
- The MCP server no longer tells the AI agent to wait for a run to
complete after every `trigger_task` call. Waiting is now opt-in: the
agent only waits when you ask it to (for example "trigger and then wait
for it to finish"). This avoids burning tokens polling runs you didn't
need to block on and keeps responses clearer.
([#3838](https://github.com/triggerdotdev/trigger.dev/pull/3838))
- Update the bundled OpenTelemetry packages to their latest releases
(`@opentelemetry/sdk-node` 0.218.0, `@opentelemetry/core` 2.7.1,
`@opentelemetry/host-metrics` 0.38.3).
([#3810](https://github.com/triggerdotdev/trigger.dev/pull/3810))
- `envvars.upload` now accepts an optional `isSecret` flag, letting you
create the imported variables as secret (redacted) environment
variables. When omitted, variables default to non-secret.
([#3809](https://github.com/triggerdotdev/trigger.dev/pull/3809))
- Offload large trigger payloads to object storage before sending the
trigger API request. The SDK uploads packets at or above the existing
128KB limit and sends an `application/store` pointer instead of
embedding large JSON in the request body. `TriggerTaskRequestBody` now
validates that `application/store` payloads are non-empty storage paths.
([#3785](https://github.com/triggerdotdev/trigger.dev/pull/3785))
- Make mollifier buffer and drainer internals configurable.
`MollifierBuffer` now accepts `ackGraceTtlSeconds`,
`maxRetriesPerRequest`, `reconnectStepMs`, and `reconnectMaxMs` options,
and `MollifierDrainer` accepts `maxBackoffMs` and `backoffFloorMs`. All
default to their previous hardcoded values, so existing behaviour is
unchanged.
([#3822](https://github.com/triggerdotdev/trigger.dev/pull/3822))
- `MollifierDrainer` accepts a `drainBatchSize` option (default 1) that
controls how many entries are popped per env per tick — in-flight
handlers remain capped by the global `concurrency`. `MollifierBuffer`
also gains `getDrainingCount()` / `listStaleDraining()`, backed by a new
`mollifier:draining` ZSET maintained atomically with
pop/ack/fail/requeue (observability-only).
([#3797](https://github.com/triggerdotdev/trigger.dev/pull/3797))
- Adds AI SDK 7 support. The `ai` peer range now includes v7, and the
`chat.agent` / chat surfaces work against v7's ESM-only build. On v7,
install `@ai-sdk/otel` alongside `ai` and the SDK registers it for you
so `experimental_telemetry` spans keep flowing into your run traces (v7
stopped emitting them from `ai` core). v5 and v6 keep working unchanged.
([#3833](https://github.com/triggerdotdev/trigger.dev/pull/3833))
- `useTriggerChatTransport` now recovers when restored session state
points at a session that no longer exists in the current environment
([#3816](https://github.com/triggerdotdev/trigger.dev/pull/3816))

## Bug fixes
- Fix `@trigger.dev/core` build: cast the underlying log record exporter
when calling `forceFlush` so it typechecks against the updated
OpenTelemetry `LogRecordExporter` type (which no longer declares
`forceFlush`).
([#3829](https://github.com/triggerdotdev/trigger.dev/pull/3829))

<details>
<summary>Raw changeset output</summary>

⚠️⚠️⚠️⚠️⚠️⚠️

`main` is currently in **pre mode** so this branch has prereleases
rather than normal releases. If you want to exit prereleases, run
`changeset pre exit` on `main`.

⚠️⚠️⚠️⚠️⚠️⚠️

# Releases
## @trigger.dev/build@4.5.0-rc.5

### Patch Changes

-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`

## trigger.dev@4.5.0-rc.5

### Patch Changes

- The MCP server no longer tells the AI agent to wait for a run to
complete after every `trigger_task` call. Waiting is now opt-in: the
agent only waits when you ask it to (for example "trigger and then wait
for it to finish"). This avoids burning tokens polling runs you didn't
need to block on and keeps responses clearer.
([#3838](https://github.com/triggerdotdev/trigger.dev/pull/3838))
- Update the bundled OpenTelemetry packages to their latest releases
(`@opentelemetry/sdk-node` 0.218.0, `@opentelemetry/core` 2.7.1,
`@opentelemetry/host-metrics` 0.38.3).
([#3810](https://github.com/triggerdotdev/trigger.dev/pull/3810))
-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`
    -   `@trigger.dev/build@4.5.0-rc.5`
    -   `@trigger.dev/schema-to-json@4.5.0-rc.5`

## @trigger.dev/core@4.5.0-rc.5

### Patch Changes

- Add optional `shouldPauseScaling` to the supervisor consumer pool
scaling options to freeze scale-up while it returns true (scale-down
stays allowed).
([#3836](https://github.com/triggerdotdev/trigger.dev/pull/3836))

- Fix `@trigger.dev/core` build: cast the underlying log record exporter
when calling `forceFlush` so it typechecks against the updated
OpenTelemetry `LogRecordExporter` type (which no longer declares
`forceFlush`).
([#3829](https://github.com/triggerdotdev/trigger.dev/pull/3829))

- `envvars.upload` now accepts an optional `isSecret` flag, letting you
create the imported variables as secret (redacted) environment
variables. When omitted, variables default to non-secret.
([#3809](https://github.com/triggerdotdev/trigger.dev/pull/3809))

    ```ts
    await envvars.upload("proj_1234", "prod", {
      variables: { STRIPE_SECRET_KEY: "sk_live_..." },
      isSecret: true,
    });
    ```

- Offload large trigger payloads to object storage before sending the
trigger API request. The SDK uploads packets at or above the existing
128KB limit and sends an `application/store` pointer instead of
embedding large JSON in the request body. `TriggerTaskRequestBody` now
validates that `application/store` payloads are non-empty storage paths.
([#3785](https://github.com/triggerdotdev/trigger.dev/pull/3785))

Payload uploads use the same resolved `ApiClient` as the trigger call
(including `requestOptions.clientConfig`), not only the global
`apiClientManager.client` — so custom `baseURL`, access token, and
preview branch apply to both presign and trigger.

- Update the bundled OpenTelemetry packages to their latest releases
(`@opentelemetry/sdk-node` 0.218.0, `@opentelemetry/core` 2.7.1,
`@opentelemetry/host-metrics` 0.38.3).
([#3810](https://github.com/triggerdotdev/trigger.dev/pull/3810))

## @trigger.dev/plugins@4.5.0-rc.5

### Patch Changes

-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`

## @trigger.dev/python@4.5.0-rc.5

### Patch Changes

-   Updated dependencies:
    -   `@trigger.dev/sdk@4.5.0-rc.5`
    -   `@trigger.dev/core@4.5.0-rc.5`
    -   `@trigger.dev/build@4.5.0-rc.5`

## @trigger.dev/react-hooks@4.5.0-rc.5

### Patch Changes

-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`

## @trigger.dev/redis-worker@4.5.0-rc.5

### Patch Changes

- Make mollifier buffer and drainer internals configurable.
`MollifierBuffer` now accepts `ackGraceTtlSeconds`,
`maxRetriesPerRequest`, `reconnectStepMs`, and `reconnectMaxMs` options,
and `MollifierDrainer` accepts `maxBackoffMs` and `backoffFloorMs`. All
default to their previous hardcoded values, so existing behaviour is
unchanged.
([#3822](https://github.com/triggerdotdev/trigger.dev/pull/3822))
- `MollifierDrainer` accepts a `drainBatchSize` option (default 1) that
controls how many entries are popped per env per tick — in-flight
handlers remain capped by the global `concurrency`. `MollifierBuffer`
also gains `getDrainingCount()` / `listStaleDraining()`, backed by a new
`mollifier:draining` ZSET maintained atomically with
pop/ack/fail/requeue (observability-only).
([#3797](https://github.com/triggerdotdev/trigger.dev/pull/3797))
-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`

## @trigger.dev/rsc@4.5.0-rc.5

### Patch Changes

-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`

## @trigger.dev/schema-to-json@4.5.0-rc.5

### Patch Changes

-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`

## @trigger.dev/sdk@4.5.0-rc.5

### Patch Changes

- Adds AI SDK 7 support. The `ai` peer range now includes v7, and the
`chat.agent` / chat surfaces work against v7's ESM-only build. On v7,
install `@ai-sdk/otel` alongside `ai` and the SDK registers it for you
so `experimental_telemetry` spans keep flowing into your run traces (v7
stopped emitting them from `ai` core). v5 and v6 keep working unchanged.
([#3833](https://github.com/triggerdotdev/trigger.dev/pull/3833))

- `useTriggerChatTransport` now recovers when restored session state
points at a session that no longer exists in the current environment
([#3816](https://github.com/triggerdotdev/trigger.dev/pull/3816))

- Offload large trigger payloads to object storage before sending the
trigger API request. The SDK uploads packets at or above the existing
128KB limit and sends an `application/store` pointer instead of
embedding large JSON in the request body. `TriggerTaskRequestBody` now
validates that `application/store` payloads are non-empty storage paths.
([#3785](https://github.com/triggerdotdev/trigger.dev/pull/3785))

Payload uploads use the same resolved `ApiClient` as the trigger call
(including `requestOptions.clientConfig`), not only the global
`apiClientManager.client` — so custom `baseURL`, access token, and
preview branch apply to both presign and trigger.

- Update the bundled OpenTelemetry packages to their latest releases
(`@opentelemetry/sdk-node` 0.218.0, `@opentelemetry/core` 2.7.1,
`@opentelemetry/host-metrics` 0.38.3).
([#3810](https://github.com/triggerdotdev/trigger.dev/pull/3810))

-   Updated dependencies:
    -   `@trigger.dev/core@4.5.0-rc.5`

</details>

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
2026-06-05 14:09:26 +01:00
2025-06-07 00:57:47 +01:00
2025-08-27 16:52:58 +01:00
2022-12-06 12:28:16 +00:00
2024-08-23 13:10:15 +01:00
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Trigger.dev is the open-source platform for building AI workflows in TypeScript. Long-running tasks with retries, queues, observability, and elastic scaling.

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import { task } from "@trigger.dev/sdk";

//1. You need to export each task
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  //3. The run function is the main function of the task
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    //4. You can write code that runs for a long time here, there are no timeouts
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