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Effect V4 Docs

Effect

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Version 4.0.0-beta.21

Patch Changes

  • #1555 e691909 Thanks @tim-smart! - fix Stream.withSpan options

  • #1548 d5f413f Thanks @effect-bot! - Fix TxPubSub.publish and TxPubSub.publishAll overloads to require Effect.Transaction in their return environment.

  • #1557 139d152 Thanks @A386official! - Fix MCP resource template parameter names resolving as param0, param1 instead of actual names by checking isParam on the original schema before toCodecStringTree transformation.

  • #1547 947e3d4 Thanks @effect-bot! - Fix Schedule.reduce to persist state updates when the combine function returns a synchronous value.

  • #1545 84b2cce Thanks @effect-bot! - Fix TupleWithRest post-rest validation to check each tail index sequentially.

  • #1552 7f5305e Thanks @tim-smart! - Constrain HttpServerRequest.source to object and key server-side request weak caches by request.source so middleware request wrappers share the same cache entries.

  • #1556 9e6fd84 Thanks @tim-smart! - rename WorkflowEngine.layer

  • #1558 fdb8a4b Thanks @tim-smart! - Fix Workflow.executionId to use schema makeUnsafe instead of the removed .make API.

  • #1553 0f986ef Thanks @kaylynb! - Fix spans never having parent span

  • #1541 9355fc0 Thanks @tim-smart! - Add Effect.findFirst and Effect.findFirstFilter for short-circuiting effectful searches over iterables.