Arcjet reaches v1.0, promises stable security for JavaScript apps

The New Stack

by Darryl K. Taft

February 14, 2026

AI-Generated Deep Dive Summary

Arcjet has officially released its JavaScript SDK as a stable, production-ready version 1.0 after more than two years of development and testing. This new release marks a significant milestone for the platform, which integrates AI-driven security directly into JavaScript applications. The SDK provides advanced features such as attack detection, bot prevention, email validation, form spam filtering, and data redaction, all embedded within the codebase to simplify the process of shifting left in security practices. By treating stability as a top priority, Arcjet has minimized breaking changes—only three were introduced over two years—and ensured backward compatibility wherever possible. The focus on stability is intentional, as David Mytton, founder and CEO of Arcjet, emphasizes that reliable security tools are essential for developer adoption, especially in the dynamic JavaScript ecosystem. The SDK’s journey from alpha to beta involved rigorous testing with real production workloads, leading to thousands of developers deploying it in production environments. This approach aligns with the growing demand for seamless security integration without adding unnecessary complexity or maintenance burden. Arcjet also highlighted its plans for future enhancements, including the public release of a local model that reduces false positives by leveraging more context within the application environment. Additionally, richer threat intelligence and support for other programming languages like Python, Java, and Go are on the horizon. These developments aim to expand Arcjet’s reach beyond JavaScript while maintaining its commitment to improving developer experience (DX) as a key driver of better application security. The release of v1.0 underscores the importance of addressing long-standing challenges in JavaScript security, particularly the high turnover of libraries and tools. By focusing on stability and ease of use, Arcjet aims to make security an integral part of

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Originally published on The New Stack on 2/14/2026