# denoland/deno · RepoSense Release & Migration Intelligence

> fix(compile): check read permission for dynamically import. Drop-in upgrade. Migration: None.

## Metadata
- **Repository URL**: https://github.com/denoland/deno
- **Primary Package**: `@denoland/deno` (NPM)
- **Categories**: `LANGUAGE`, `RUNTIME`, `BACKEND`
- **Latest Version**: `v2.9.8`
- **Semantic Status**: `COMPATIBLE`
- **Bundle Size Impact (unavailable)**: `Size Unavailable`
- **Atom Ingestion Feed**: https://github.com/denoland/deno/releases.atom

## The Human Context (Plain-English Pitch)
Deno is a secure-by-default JavaScript and TypeScript runtime built on V8 and Rust. It removes the need for separate TypeScript compilers, formatters, and linters while restricting file and network access unless explicitly granted.

## Stage 1 Executive Summary ([Core Change] + [Required Action] + [Migration Effort])
fix(compile): check read permission for dynamically import. Drop-in upgrade. Migration: None.

## Breaking Changes & Required Actions
- fix(compile): check read permission for dynamically imported local files
- fix(completions): complete script paths for bare deno run in zsh (#36976)
- fix(core): keep op contexts alive until the isolate is disposed (#37026)
- fix(coverage): skip the V8 code cache while collecting coverage (#36901)

## Migration Snippet
```ts
npm install @denoland/deno@2.9.8
```

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

## Zero-Noise Release Timeline
- **v2.9.8** (2026-10-21) [COMPATIBLE]: fix(compile): check read permission for dynamically import. Drop-in upgrade. Migration: None.

## Upgrade & Migration Q&A (GEO Direct Answers)
### Is denoland/deno v2.9.8 safe to upgrade in production?
denoland/deno v2.9.8 is classified as COMPATIBLE (PATCH release). fix(compile): check read permission for dynamically import. Drop-in upgrade. Migration: None.

### What breaking changes or compatibility risks exist in denoland/deno v2.9.8?
No breaking API changes or peer dependency conflicts are recorded for denoland/deno v2.9.8 in the RepoSense compatibility graph.

### What is the bundle size impact of @denoland/deno v2.9.8?
Measured bundle size telemetry is currently unavailable for @denoland/deno v2.9.8; verify build output locally before deploying.

### How do I upgrade @denoland/deno to v2.9.8?
Upgrade @denoland/deno to v2.9.8 by running "npm install @denoland/deno@2.9.8" and applying the migration steps: npm install @denoland/deno@2.9.8