> ## 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.

# v25.4.0 — September 2025

> Unified log system, Bun support, smart metrics, and VSCode extension alpha.

<Update label="v25.4.0" description="September 2025">
  ### Overview

  September introduced critical developer tools and a unified logging system. The Bun runtime adds a modern JavaScript alternative, smart metrics provide insights into application behavior, and the VSCode extension brings Vertra Cloud deployments directly into your editor.

  ***

  ### New Features

  #### Unified Log System

  Centralized error and crash tracking for all applications.

  * Errors and crashes now stored in dedicated LOGS tab
  * Unified interface for viewing all application logs
  * Easy filtering and searching through log history
  * Better debugging and issue investigation

  #### Bun Support

  Fast JavaScript and TypeScript runtime now available.

  * Deploy applications using Bun 1.2.2 or later
  * Alternative to Node.js with faster performance
  * Full TypeScript support out of the box
  * Compatible with existing npm packages

  #### Smart Metrics

  Automated performance monitoring at regular intervals.

  * Metrics captured every 5 minutes
  * Tracks CPU usage, memory consumption, and request counts
  * Historical data for performance analysis
  * Foundation for auto-scaling features

  #### App Logs Tab

  New dedicated logs interface for applications.

  * Real-time log streaming
  * Historical log retrieval
  * Log filtering and search capabilities
  * Integration with error tracking

  #### VSCode Extension

  Official Vertra Cloud extension published for beta testing.

  * Deploy directly from VS Code
  * Manage applications from the editor
  * View logs and metrics in the sidebar
  * Alpha version available on VS Code marketplace

  ***

  ### Runtime Updates

  #### Node.js Versions

  Multiple Node.js versions now supported.

  * Node.js 22.18.0
  * Node.js 24.5.0
  * Automatic version selection during deployment

  #### Python Version

  Latest Python 3.13 support available.

  #### Bun Runtime

  * Bun 1.2.2

  ***

  ### Improvements

  #### Navigation and UX

  * Improved sidebar navigation
  * Better organization of application management features
  * Cleaner log interface
  * Enhanced metric visualization

  ***

  ### Bug Fixes

  * Fixed log streaming connection issues
  * Improved error message clarity in logs tab
  * Fixed metric calculation edge cases
  * Resolved navigation issues in VSCode extension

  ***

  ### Breaking Changes

  <Warning>
    No breaking changes. The LOGS tab is an addition that doesn't affect existing functionality.
  </Warning>
</Update>