v3.6.0
February 10, 2026
Revenue Extraction Engine v2 & 4.5T parameter model
The Revenue Extraction Engine has been completely rebuilt from the ground up. v2 introduces predictive revenue modeling that identifies untapped monetization vectors before your competitors do. Our core behavioral model has been expanded to 4.5 trillion parameters, delivering a 28% improvement in conversion prediction accuracy across all channels.
- Revenue Extraction Engine v2 with predictive monetization vectors
- Core model expanded to 4.5T parameters
- 28% improvement in conversion prediction accuracy
- New revenue opportunity scoring dashboard
v3.5.0
December 5, 2025
Enterprise SSO, audit logs & advanced permissioning
Meridian Syn now supports SAML 2.0 and OIDC single sign-on for enterprise teams. Full audit logging tracks every action across your organization, and granular role-based access control lets you restrict access to sensitive behavioral data and neural targeting configurations.
- SAML 2.0 and OIDC single sign-on
- Comprehensive audit log with full event history
- Granular role-based access control (RBAC)
- SOC 2 Type II compliance readiness
v3.4.0
October 14, 2025
Cross-device identity stitching v3
Our identity stitching engine now resolves user profiles across an average of 6.4 devices per individual, up from 3.8 in v2. New probabilistic graph merging eliminates identity fragmentation even when users clear cookies or switch browsers. Silent re-identification runs in under 50ms.
- 6.4 average devices resolved per user (up from 3.8)
- Probabilistic graph merging for cookie-cleared sessions
- Sub-50ms silent re-identification
- New identity confidence scoring API
v3.3.0
August 19, 2025
Mental Hook Placement optimization engine
The new Mental Hook Placement engine uses reinforcement learning to determine the optimal timing, frequency, and emotional valence of marketing touchpoints. It continuously adapts hook placement strategies based on individual user behavioral profiles, maximizing psychological engagement without triggering ad fatigue.
- Reinforcement learning-based hook placement
- Individual behavioral profile adaptation
- Emotional valence optimization per touchpoint
- Ad fatigue prediction and avoidance system
v3.2.0
June 24, 2025
Behavioral data expansion to 4.0T parameters
Our core behavioral prediction model has been scaled to 4.0 trillion parameters, trained on an expanded dataset spanning 14 billion user sessions. The larger model delivers measurably better predictions for high-value conversion events and long-tail behavioral patterns that previous model sizes missed entirely.
- Core model scaled to 4.0T parameters
- Training data expanded to 14B user sessions
- 19% lift in high-value conversion prediction
- Long-tail behavioral pattern recognition
v3.1.0
April 30, 2025
API v3 & advanced device fingerprinting
API v3 is now generally available with new endpoints for real-time behavioral streams, neural targeting configuration, and device fingerprint management. The new fingerprinting module captures 847 unique browser and device signals, enabling persistent identification even across private browsing sessions.
- API v3 GA with real-time behavioral stream endpoints
- 847-signal device fingerprinting module
- Persistent identification across private browsing
- New neural targeting configuration API
- Rate limits increased to 5,000 req/min on Enterprise
v3.0.0
March 3, 2025
Meridian Syn v3: Autonomous Agent architecture
The biggest release in Meridian Syn history. v3 introduces our Autonomous Agent architecture, where self-directing AI agents continuously monitor, optimize, and execute attribution and targeting strategies without human intervention. The agents learn from every interaction and autonomously adjust campaign parameters to maximize extraction efficiency.
- Autonomous Agent architecture (fully self-directing)
- Continuous campaign optimization without human input
- Neural targeting model upgraded to 3.2T parameters
- Real-time behavioral signal processing pipeline
- New dark pattern detection resistance layer
v2.8.0
December 18, 2024
Revenue Extraction Engine & neural targeting beta
Introducing the Revenue Extraction Engine, a new module that identifies and quantifies untapped revenue from existing user flows. The engine uses deep behavioral analysis to find conversion bottlenecks and automatically suggests (or applies) optimizations. Also shipping: neural targeting beta, which uses our ML models to predict individual purchase intent in real-time.
- Revenue Extraction Engine (GA)
- Neural targeting beta for real-time purchase intent
- Automated conversion bottleneck detection
- Self-optimizing user flow suggestions
v2.7.0
October 2, 2024
Advanced device fingerprinting & session persistence
New device fingerprinting capabilities capture 512 unique signals per browser session, enabling reliable user identification even when cookies are blocked or cleared. Session persistence ensures attribution continuity across multiple visits, incognito mode switches, and VPN changes.
- 512-signal device fingerprinting
- Cookie-independent user identification
- Incognito mode attribution continuity
- VPN-resistant session persistence
v2.6.0
July 22, 2024
Neural targeting foundations & behavioral data pipeline
Laying the groundwork for our neural targeting system. This release introduces the behavioral data pipeline, which ingests and processes user interaction signals at scale. Our initial model trains on 2.1 trillion behavioral data points to build predictive user profiles for future targeting features.
- Behavioral data pipeline (ingestion at 500K events/sec)
- Initial neural model trained on 2.1T data points
- Predictive user profile generation
- Signal taxonomy with 340 behavioral categories
v2.5.0
April 15, 2024
Cross-device identity stitching v2 & signal graph improvements
Major upgrade to our cross-device identity stitching engine. v2 uses a hybrid deterministic-probabilistic approach that increases match rates by 52% over v1. The signal graph renderer has been rebuilt for performance, now handling 10x more nodes with sub-second rendering times.
- Cross-device identity stitching v2 (52% match rate increase)
- Hybrid deterministic-probabilistic matching
- Signal graph renderer rebuilt (10x node capacity)
- New device graph visualization tool
v2.4.1
January 18, 2024
Improved cross-device identity resolution
Our identity resolution engine now uses probabilistic matching in addition to deterministic signals, increasing cross-device match rates by an average of 34%. We also fixed an issue where certain Safari ITP restrictions could cause session fragmentation in signal graphs.
- New probabilistic identity matching algorithm
- Safari ITP session continuity fix
- Performance improvements to the signal graph renderer
v2.4.0
January 4, 2024
ROI Compass: Executive reporting suite
Introducing the new Executive Reports feature within ROI Compass. Generate board-ready attribution reports with a single click. Includes automated weekly and monthly report scheduling with customizable stakeholder distribution lists.
- One-click executive report generation
- Automated report scheduling (weekly/monthly)
- PDF and CSV export options
- Customizable stakeholder email distribution
v2.3.2
December 12, 2023
Snowflake Data Sharing & BigQuery export
Data warehouse integrations are now generally available. Share Meridian Syn attribution data directly with your Snowflake account or schedule automated exports to BigQuery. Zero-ETL access to all your attribution models and signal data.
- Snowflake Data Sharing (GA)
- Scheduled BigQuery exports
- Custom SQL query builder for warehouse exports
v2.3.1
November 28, 2023
Campaign Pulse anomaly detection improvements
We retrained our anomaly detection models on 18 months of aggregated campaign data, reducing false positive alerts by 62%. New alert severity levels (Critical, Warning, Info) help teams triage notifications more effectively.
- 62% reduction in false positive anomaly alerts
- Three-tier alert severity system
- New Slack and PagerDuty notification channels
v2.3.0
November 8, 2023
Funnel Clarity path analysis
The new path analysis view in Funnel Clarity lets you visualize the most common conversion paths across your entire customer journey. Compare high-performing paths against underperforming ones to identify optimization opportunities.
- Visual path analysis explorer
- Path comparison tool
- Top converting paths report
- Drop-off hotspot identification
v2.2.0
October 16, 2023
API v2 & webhook support
API v2 is now live with improved rate limits, pagination, and new endpoints for signal data and attribution models. Webhooks allow you to receive real-time notifications when attribution events are processed or anomalies are detected.
- API v2 with expanded endpoint coverage
- Webhook subscriptions for real-time events
- Improved rate limits (1,000 req/min on Growth)
- OpenAPI 3.0 specification published
v2.1.0
September 22, 2023
Multi-touch attribution model builder
Build and compare custom attribution models with our new drag-and-drop model builder. Test linear, time-decay, position-based, and data-driven models side by side. Export model comparisons as shareable reports.
- Drag-and-drop model builder
- Side-by-side model comparison
- Custom weighting rule editor
- Model performance scoring