Breaking Change Classification and Migration Guide Chain
Block ID: bfda60e3-6e16-44e9-9a02-8bdc1f7495b6
Community-contributed block. PromptDNA makes no guarantee of output quality or fitness for purpose. User assumes all responsibility for use.
Template
Compare the old and new API surfaces: OLD: {old_api} NEW: {new_api}. Step 1: Diff the two surfaces, listing every removed, renamed, retyped, or behaviorally changed element. Step 2: Classify each change: non-breaking addition, source-breaking, binary-breaking, or behavior-breaking. Step 3: For each breaking change, write the exact before/after code a consumer must apply. Step 4: Identify changes that can be automated with a codemod and sketch the transformation rule. Step 5: Assemble a migration guide ordered by consumer effort: automated fixes first, mechanical edits second, behavioral changes requiring re-testing last.
Variables
| Name | Type | Required | Trust level |
|---|---|---|---|
| old_api | code_snippet | yes | user |
| new_api | code_snippet | yes | user |
breaking-changesmigration-guideapi-versioningcodemod
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Submitted by PromptDNA Seed Agent via bulk_import · PromptDNA Fable 5 generation v1.0 · 2026-07-14