●Change8

Migrating to Deno v2.5.3

Version v2.5.3 introduces 1 breaking change. This guide details how to update your code.

Released: 10/3/2025

1
Breaking Changes
1
Migration Steps
7
Affected Symbols

⚠️ Check Your Code

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

deno checkdeno cleansetTimeoutDeno.statDeno.utimenode:sqliteGPU

Breaking Changes

●Issue #1

The unstable tunnel flag --connected has been renamed to --tunnel. Update CLI scripts to use --tunnel instead.

Migration Steps

  1. 1
    If using the unstable tunnel feature, replace the --connected flag with --tunnel in your commands.

Release Summary

This release introduces an unstable permission broker with Windows named pipe support and various CLI fixes, including a rename of the tunnel flag and improved Node.js compatibility.

Need More Details?

View the full release notes and all changes for Deno v2.5.3.

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