How Arcjet added an optional on-device model backend for sensitive information detection: a pluggable rule interface, deterministic recognizers for structured data, offset reconstruction for token-classification output, and local ONNX inference in the request path.
What's new in Arcjet (2026-06-12). New versions for each of our JS, Python, and Go SDKs to improve performance and detect proxies.
Reducing WebAssembly bundle size: how Arcjet shrank its Rust bot detector 27% with Aho-Corasick, keeping per-request memory isolation and using Wizer snapshots.
Arcjet Signals are evaluated without a CAPTCHA and enforced when the request passes through a critical flow. The browser gives us signals. The application gives us intent.
How we designed the Arcjet CLI in Go as a stable, defensive interface for humans and AI agents: predictable commands, machine-readable output, strict validation, and confirmation before production changes.
What's new in Arcjet (2026-05-22). Unified coding agent skills, expanded Python docs, email notification management.
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