●Change8

Migrating to Deno v2.3.0

Version v2.3.0 introduces 1 breaking change. This guide details how to update your code.

Released: 4/30/2025

1
Breaking Changes
1
Migration Steps
14
Affected Symbols

⚠️ Check Your Code

If you use any of these symbols, you need to read this guide:

Deno.connectDeno.build.standaloneDeno.serveDeno.addDeno.installGPUDevice.deviceStartCaptureGPUDevice.deviceStopCapturenode:httpnode:testnode:sqlitenode:dnsnode:streamprocess.loadEnvFileBuffer.copyBytesFrom

Breaking Changes

●Issue #1

Lockfile version now defaults to v5, which may cause compatibility issues with older Deno versions.

Migration Steps

  1. 1
    Upgrade to Deno v2.3.1 immediately using 'deno upgrade 2.3.1' due to a versioning error in the v2.3.0 release process.

Release Summary

Deno 2.3.0 introduces TypeScript 5.8 support, native addon support for standalone binaries, and enhanced formatting for embedded languages. Note: users must upgrade to 2.3.1 to fix a versioning metadata error.

Need More Details?

View the full release notes and all changes for Deno v2.3.0.

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