> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vertracloud.app/llms.txt
> Use this file to discover all available pages before exploring further.

# v25.6.0 — December 2025

> Go and PHP language support, coupon system, and email improvements.

<Update label="v25.6.0" description="December 2025">
  ### Overview

  December brought new language runtime support and improved the promotional system with the holiday VERTRA30 coupon. Email delivery improvements ensure better communication with users across the platform.

  ***

  ### New Features

  #### Go Language Support

  Added Go runtime for high-performance applications.

  * Go language support for deployment
  * Automatic Go compilation
  * Go module dependency management
  * Fast build times
  * Ideal for microservices and CLI tools

  #### PHP Language Support

  Added PHP 8.x runtime for web applications.

  * PHP 8.x runtime support
  * Common PHP web framework compatibility
  * Apache/Nginx configuration support
  * PHP package management via Composer
  * Web application hosting

  #### Coupon System

  Promotional code support for discounts on orders.

  ***

  ### Improvements

  * Improved email delivery reliability and template rendering

  ***

  ### Bug Fixes

  * Resolved email delivery failures
  * Fixed date and duration calculations
  * Improved timezone handling

  ***

  ### Breaking Changes

  <Warning>
    No breaking changes in this release. All existing applications continue to work without modification.
  </Warning>
</Update>