v1.4.0

casey/justv1.4.0Jan 6, 2026by dogancanbakir

AI Summary

Katana introduces full headless mode support with detailed examples for simple crawling and deeper exploration, including debug logging capabilities. The release also fixes concurrency issues in the hybrid crawler.

Key Highlights

Added headless mode support
Added debug logging with diagnostic information
Fixed concurrency not working as expected in the hybrid crawler

New Features

Headless mode (-headless flag)
Debug logging (-enable-diagnostics)
Hybrid crawler concurrency fix

Full Release Notes

## What's Changed

### 🎉 New Features
* Added headless mode support by @Ice3man543 in https://github.com/projectdiscovery/katana/pull/1396

You can try out the headless crawler today with the below steps:

```
# Simple headless crawl, show the browser as well
katana -u https://cloud.projectdiscovery.io -headless -show-browser

# Deeper exploration
katana -u https://ginandjuice.shop -headless -depth 5 -aff

# With debug logging (for investigating state failures, etc) writes diagnostic information in a new directory for debugging purposes along with more verbose logging.
katana -debug -u https://www.github.com -headless -enable-diagnostics
```

### 🐞 Bug Fixes
* Fixed concurrency not working as expected in the hybrid crawler by @majiayu000 in https://github.com/projectdiscovery/katana/pull/1488



## New Contributors
* @majiayu000 made their first contribution in https://github.com/projectdiscovery/katana/pull/1488

**Full Changelog**: https://github.com/projectdiscovery/katana/compare/v1.3.0...v1.4.0