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diagnosing-compose-stability

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Use this skill to diagnose Jetpack Compose stability problems by enabling and reading the Compose Compiler Reports (classes.txt, composables.txt, composables.csv, module.json). Covers the Gradle DSL, the release-only build requirement, and how to interpret per-class and per-composable stability annotations including stable, unstable, runtime, restartable, skippable, readonly, @static, and @dynamic markers. Use when the developer asks "why does this recompose", reports jank, dropped frames, slow scroll, high recomposition count, suspects an unstable parameter, mentions Compose Compiler Reports, classes.txt, composables.txt, module.json, or wants to know which composables are non-skippable. The fix lives in a sibling skill — this one only diagnoses.

stability/diagnosing-compose-stability/SKILL.md

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Nov 6, 2026

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Jun 16, 2026
License
Apache-2.0

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# Diagnosing Compose Stability — Read the Compiler Reports First

Compose skips recomposition by comparing parameters. When a parameter is unstable, skipping is disabled — this skill tells Claude how to find out which parameters are unstable and why. The output is a prioritized list of unstable types and non-skippable composables; the fix lives in `../stabilizing-compose-types/SKILL.md`.

## When to use this skill

- The developer asks "why does this recompose?", reports jank, dropped frames, or scroll stutter.
- A `@TraceRecomposition` log shows recomposition counts that exceed the number of meaningful state changes.
- The developer mentions Compose Compiler Reports, `classes.txt`, `composables.txt`, `composables.csv`, `module.json`, or "non-skippable".
- The developer asks how to find unstable parameters, or whether `List<Foo>`, `LocalDateTime`, or a domain type is stable.
- A reviewer asks for evidence that a perf-sensitive composable is skippable.

## When NOT to use this skill
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