Clarify list-of-values deprecation for non-list search attribute types#4593
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- Add deprecation warning admonition with September 30, 2026 enforcement deadline - Cover migration paths: Keyword → KeywordList, Int → KeywordList or split into multiple Int attributes - Fix misleading TypeScript example that showed the deprecated [1, 2, 3] pattern Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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rodrigozhou
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May 19, 2026
lennessyy
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May 19, 2026
lennessyy
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May 19, 2026
Co-authored-by: Rodrigo Zhou <rodrigo.zhou@gmail.com>
Co-authored-by: Lenny Chen <55669665+lennessyy@users.noreply.github.com>
Co-authored-by: Lenny Chen <55669665+lennessyy@users.noreply.github.com>
Co-authored-by: Lenny Chen <55669665+lennessyy@users.noreply.github.com>
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Summary
:::warningdeprecation admonition to the Search Attributes reference page explaining that storing lists of values in non-list types (Keyword,Int, etc.) is deprecated and will be enforced after September 30, 2026Keyword→KeywordList,Int→KeywordList(as strings) or split into multipleIntattributesCustomIntField: [1, 2, 3](the deprecated pattern) →CustomIntField: [1]Context
Temporal Cloud is removing unintended support for storing list-of-values in non-list search attribute types. This is a prerequisite for Visibility 2.0. ~23 accounts are affected and customer messaging is being prepared in parallel. These docs changes ensure the public documentation reflects the deprecation before customer outreach begins.
Test plan
:::warningadmonition renders correctly in Docusaurus🤖 Generated with Claude Code
┆Attachments: EDU-6392 Clarify list-of-values deprecation for non-list search attribute types