# pmndrs/valtio · RepoSense Release & Migration Intelligence

> fix(vanilla): remove Object.preventExtensions from createS. Drop-in upgrade. Migration: None.

## Metadata
- **Repository URL**: https://github.com/pmndrs/valtio
- **Primary Package**: `valtio` (NPM)
- **Categories**: `STATE_MANAGEMENT`
- **Latest Version**: `v2.3.2`
- **Semantic Status**: `COMPATIBLE`
- **Bundle Size Impact (unavailable)**: `Size Unavailable`
- **Atom Ingestion Feed**: https://github.com/pmndrs/valtio/releases.atom

## The Human Context (Plain-English Pitch)
valtio is an open-source library and developer tool in the pmndrs/valtio ecosystem. It saves developers from writing repetitive low-level boilerplate from scratch by providing a battle-tested, open-source implementation ready for production.

## Stage 1 Executive Summary ([Core Change] + [Required Action] + [Migration Effort])
fix(vanilla): remove Object.preventExtensions from createS. Drop-in upgrade. Migration: None.

## Breaking Changes & Required Actions
- fix(vanilla): remove Object.preventExtensions from createSnapshotDefault for Hermes compatibility by @manakuro in #1220
- @manakuro made their first contribution in #1220

## Migration Snippet
```ts
npm install valtio@2.3.2
```

## Ecosystem Compatibility Matrix & Graph Warnings
- **TypeScript 5.x** [`COMPATIBLE`]: Ships standard TypeScript declaration files without type regressions.

## Zero-Noise Release Timeline
- **v2.3.2** (2026-05-01) [COMPATIBLE]: fix(vanilla): remove Object.preventExtensions from createS. Drop-in upgrade. Migration: None.

## Upgrade & Migration Q&A (GEO Direct Answers)
### Is pmndrs/valtio v2.3.2 safe to upgrade in production?
pmndrs/valtio v2.3.2 is classified as COMPATIBLE (PATCH release). fix(vanilla): remove Object.preventExtensions from createS. Drop-in upgrade. Migration: None.

### What breaking changes or compatibility risks exist in pmndrs/valtio v2.3.2?
No breaking API changes or peer dependency conflicts are recorded for pmndrs/valtio v2.3.2 in the RepoSense compatibility graph.

### What is the bundle size impact of valtio v2.3.2?
Measured bundle size telemetry is currently unavailable for valtio v2.3.2; verify build output locally before deploying.

### How do I upgrade valtio to v2.3.2?
Upgrade valtio to v2.3.2 by running "npm install valtio@2.3.2" and applying the migration steps: npm install valtio@2.3.2