# arktypeio/arktype · RepoSense Release & Migration Intelligence

> Ships `arktype@@arktype/attest@0.58.0` with upstream runti. Drop-in upgrade. Migration: None.

## Metadata
- **Repository URL**: https://github.com/arktypeio/arktype
- **Primary Package**: `arktype` (NPM)
- **Categories**: `STATE_MANAGEMENT`, `LANGUAGE`
- **Latest Version**: `@arktype/attest@0.58.0`
- **Semantic Status**: `COMPATIBLE`
- **Bundle Size Impact (unavailable)**: `Size Unavailable`
- **Atom Ingestion Feed**: https://github.com/arktypeio/arktype/releases.atom

## The Human Context (Plain-English Pitch)
arktype is an open-source library and developer tool in the arktypeio/arktype 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])
Ships `arktype@@arktype/attest@0.58.0` with upstream runti. Drop-in upgrade. Migration: None.

## Breaking Changes & Required Actions
- Ships `arktype@@arktype/attest@0.58.0` with upstream runtime refinements and stability fixes from `arktypeio/arktype`.
- Updates TypeScript declarations and internal module exports for `@arktype/attest@0.58.0`.

## Migration Snippet
```ts
npm install arktype@@arktype/attest@0.58.0
```

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

## Zero-Noise Release Timeline
- **@arktype/attest@0.58.0** (2026-10-22) [COMPATIBLE]: Ships `arktype@@arktype/attest@0.58.0` with upstream runti. Drop-in upgrade. Migration: None.

## Upgrade & Migration Q&A (GEO Direct Answers)
### Is arktypeio/arktype @arktype/attest@0.58.0 safe to upgrade in production?
arktypeio/arktype @arktype/attest@0.58.0 is classified as COMPATIBLE (MINOR release). Ships `arktype@@arktype/attest@0.58.0` with upstream runti. Drop-in upgrade. Migration: None.

### What breaking changes or compatibility risks exist in arktypeio/arktype @arktype/attest@0.58.0?
No breaking API changes or peer dependency conflicts are recorded for arktypeio/arktype @arktype/attest@0.58.0 in the RepoSense compatibility graph.

### What is the bundle size impact of arktype @arktype/attest@0.58.0?
Measured bundle size telemetry is currently unavailable for arktype @arktype/attest@0.58.0; verify build output locally before deploying.

### How do I upgrade arktype to @arktype/attest@0.58.0?
Upgrade arktype to @arktype/attest@0.58.0 by running "npm install arktype@@arktype/attest@0.58.0" and applying the migration steps: npm install arktype@@arktype/attest@0.58.0