Clarify Go Payload Codec failure handling - #5150
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Pull request overview
Adds Go-specific guidance for handling Payload Codec failures across Workflow Task, Client, and Activity contexts.
Changes:
- Recommends bounded handling for transient codec failures.
- Documents returned-error and panic behavior under
WorkflowPanicPolicy.
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Quinn-With-Two-Ns
approved these changes
Aug 21, 2026
yuandrew
marked this pull request as ready for review
August 21, 2026 14:33
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flippedcoder
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Aug 21, 2026
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What changed
Add Go-specific guidance for handling Payload Codec failures:
WorkflowPanicPolicy.BlockWorkflowandFailWorkflow.Why
An unhandled Payload Codec exception during Workflow Task processing generally causes the Workflow Task to fail across Temporal SDKs. This change documents the Go-specific mechanism for that behavior, including how codec panics interact with
WorkflowPanicPolicyand how the behavior differs in Client and Activity contexts.Companion SDK API documentation: temporalio/sdk-go#2592.
Related to temporalio/sdk-go#2506.
Validation
git diff --checkmaincheckout.