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

# ChangeLog

> Track updates and improvements to DevBird

## December 26, 2025

### Security Enhancement: Environment Variable Filtering

Added documentation for environment variable filtering in the GitHub workflow to improve security when working with AI agents.

**Changes:**

* Added `DEVBIRD: 1` environment variable to the workflow configuration
* Documented best practices for filtering environment variables to only safe prefixes (`NEXT_PUBLIC_*` and `TEST_*`)
* Added example script for filtering `.env` files in DevBird mode
* Explained security rationale for limiting AI agent access to environment variables

**Documentation updated:**

* [GitHub Workflow](/devbird/getting-started/github-workflow) - Added "Filter environment variables for security" section