# oven-sh/bun · RepoSense Release & Migration Intelligence

> @EffortlessSteven. Drop-in upgrade. Migration: None.

## Metadata
- **Repository URL**: https://github.com/oven-sh/bun
- **Primary Package**: `bun-types` (NPM)
- **Categories**: `LANGUAGE`, `RUNTIME`, `BUILD_TOOL`
- **Latest Version**: `bun-v1.4.4`
- **Semantic Status**: `COMPATIBLE`
- **Bundle Size Impact (unavailable)**: `Size Unavailable`
- **Atom Ingestion Feed**: https://github.com/oven-sh/bun/releases.atom

## The Human Context (Plain-English Pitch)
Bun is an all-in-one JavaScript and TypeScript runtime, package manager, bundler, and test runner built from scratch for speed. It acts as a drop-in replacement for Node.js and npm, drastically cutting package install times and script startup latency.

## Stage 1 Executive Summary ([Core Change] + [Required Action] + [Migration Effort])
@EffortlessSteven. Drop-in upgrade. Migration: None.

## Breaking Changes & Required Actions
- @EffortlessSteven
- @MarshallOfSound
- @ousamabenyounes

## Migration Snippet
```ts
npm install bun-types@bun-v1.4.4
```

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

## Zero-Noise Release Timeline
- **bun-v1.4.4** (2026-10-22) [COMPATIBLE]: @EffortlessSteven. Drop-in upgrade. Migration: None.

## Upgrade & Migration Q&A (GEO Direct Answers)
### Is oven-sh/bun bun-v1.4.4 safe to upgrade in production?
oven-sh/bun bun-v1.4.4 is classified as COMPATIBLE (PATCH release). @EffortlessSteven. Drop-in upgrade. Migration: None.

### What breaking changes or compatibility risks exist in oven-sh/bun bun-v1.4.4?
No breaking API changes or peer dependency conflicts are recorded for oven-sh/bun bun-v1.4.4 in the RepoSense compatibility graph.

### What is the bundle size impact of bun-types bun-v1.4.4?
Measured bundle size telemetry is currently unavailable for bun-types bun-v1.4.4; verify build output locally before deploying.

### How do I upgrade bun-types to bun-v1.4.4?
Upgrade bun-types to bun-v1.4.4 by running "npm install bun-types@bun-v1.4.4" and applying the migration steps: npm install bun-types@bun-v1.4.4