---
title: "Java SDK build-context uploads, Dockerfile COPY fixes"
url: https://www.daytona.com/changelog/java-sdk-build-context-uploads-dockerfile-copy-fixes
---

# Java SDK build-context uploads, Dockerfile COPY fixes

Published: 2026-09-15 · Version: v0.214.0

Daytona 0.214.0 brings build-context uploads to the Java SDK and fixes Dockerfile COPY parsing across the Python, Ruby, and TypeScript SDKs, along with CLI and Ruby SDK reliability fixes.

Daytona 0.214.0 brings build-context uploads to the Java SDK and fixes Dockerfile COPY parsing across the Python, Ruby, and TypeScript SDKs, along with CLI and Ruby SDK reliability fixes.

## Features

**Java SDK**: add Image.addLocalFile and Image.addLocalDir with build-context uploads

## Fixes

**CLI**: default ssh --expires to the API default of 60 minutes

**Python SDK**, **Ruby SDK**, **TypeScript SDK**: keep COPY sources after backslash-terminated comments and fix Ruby COPY parsing

**Python SDK**, **TypeScript SDK**: parse Dockerfile COPY instructions correctly in from_dockerfile

**Ruby SDK**: parse .env files without shell command substitution

**Ruby SDK**: verify the TLS peer on WebSocket dials

**TypeScript SDK**: apply the ESM require shim to every file that needs it

## Chores

sync go.sum for v0.211.2

fix broken Slack and DCO guideline links in contributor guides

batch dependabot updates 2026-09-14