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Deprecations · Wp Block Development · WordPress/agent-skills · Skills Docs

Repo No. 26 · Wp Block Development

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19 skills · 52 min

Skill 06 · Wp Block Development

Subchapter 6.5

Deprecations

references/deprecations.mdMarkdown665 BView on GitHub

Deprecations and migrations

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`deprecated` basics

6Up to skill 6Wp Block Development

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Deprecations and migrations
deprecated basics
Practical guardrails

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Block deprecations are handled in JS block registration.

Add older implementations to deprecated (newest → oldest).
Each deprecated entry can include:

Upstream reference:

https://developer.wordpress.org/block-editor/reference-guides/block-api/block-deprecation/ (opens in a new tab)

Practical guardrails

Keep fixtures: store example content for each deprecated version.
When in doubt, add a migration path rather than silently changing selectors.

ReferenceDebugging ReferenceDynamic Rendering

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