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Releases

1.6.0 – Logs and Analytics (2025-06-22)

Highlights:

New Feature: ClickHouse integration for high-performance data storage and real-time analytics.
Improvement: Enhanced analytics dashboard now displays the total number of requests and all matched spam rules.
Improvement: More accurate language detection for very short texts.
Improvement: Minor UI enhancements, including dark mode adjustments and general bug fixes.
Fix: Issue with excluding countries from the high-risk country list.

Highlights:

New: Added environment variables to configure update schedules for data sources and IP resolvers.
Improvement: Updated Content Security Policy to support the redirect page and API documentation.
Fix: Geo-location data was not being properly recorded in request logs.

Highlights:

New Feature: IPInfo.io IP resolver – Integrated IPInfo.io service for IP resolution.
Fix: Monitoring endpoints IP whitelist with default values causing issues with Kubernetes probes.

Highlights:

New Feature: AI Security Rules.
Fix: Improved WAV bit depth in audio challenges for better browser compatibility.
Fix: Corrected CSP policy in JSON editor to restore style loading.
Fix: Enhanced protection against replay attacks in /v1/verify/signature.

Highlights:

New Feature: Links and Redirects – Generate short, shareable links that show a verification challenge before redirecting to the final destination. Helps block bots and abuse before users reach protected URLs.
New Feature: Partial Similarity Matching – Identify suspicious phrases within longer text using substring-based detection.
Breaking Change: Request logs and alerts now require admin role access.
UI Improvements: General design polish and usability enhancements.

We’re excited to announce the first public release of ALTCHA Sentinel!

Getting Started

To begin using ALTCHA Sentinel, follow our Installation Guide.