---
title: "Pre-signed file URLs and typed SDK errors"
url: https://www.daytona.com/changelog/pre-signed-file-urls-and-typed-sdk-errors
---

# Pre-signed file URLs and typed SDK errors

Published: 2026-07-27 · Version: v0.201.0

Daytona 0.201.0 makes sandbox file transfers and error handling easier to build against, with pre-signed download and upload URLs, typed error codes, and lifecycle-aware sandbox listing.

Daytona 0.201.0 makes sandbox file transfers and error handling easier to build against, with pre-signed download and upload URLs, typed error codes, and lifecycle-aware sandbox listing.

## Features

**SDK**: add autoDestroyAt range filter to sandbox list

**SDK**: pre-signed sandbox file download/upload URLs

**SDK**: structured error responses with typed error codes

## Fixes

**SDK**: sign S3 requests with the region provided by the API

**TypeScript SDK**: declare tslib and ws as runtime dependencies

**Python toolbox API client**: optional FileInfo.modifiedAt for old-runner compatibility

## Chores

sync go.sum for v0.200.1

batch deps 20260723

relax dotenv dependency to allow 3.x

**Go SDK**: bump to v0.201.0