Introducing kreuzcrawl v0.3.0

📰 Dev.to AI

Learn about kreuzcrawl v0.3.0, a major update with improved performance, security, and API stability

advanced Published 25 Jun 2026

Action Steps

Update to kreuzcrawl v0.3.0 to reduce peak streaming memory usage
Implement the tiered WAF-aware dispatch engine to improve security
Enable SSRF defense across every outbound call path by default
Test the API stability with the new release
Explore the new language bindings for improved development experience

Who Needs to Know This

Backend engineers and developers working with Rust and multiple languages will benefit from this update, as it provides improved performance, security, and API stability

Key Insight

💡 kreuzcrawl v0.3.0 achieves significant performance improvements and enhanced security features, making it a major milestone in the project's development

Key Takeaways

Learn about kreuzcrawl v0.3.0, a major update with improved performance, security, and API stability

Full Article

kreuzcrawl began as a Rust core with bindings for ten languages. v0.3.0 ships fourteen, adds a tiered WAF-aware dispatch engine, cuts peak streaming memory from ~2.5 GB to ~20 MB, and enables SSRF defense across every outbound call path by default. It is the first release we consider API-stable. This post covers what changed, why each decision was made, and what the harder engineering problems looked like from the inside. At a glance

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