Release Notes - v5.4.2 🚀

August 25, 2026

This patch release (v5.4.2) introduces fixes to Levey-Jennings calculations and charts in Quattrol 365, improvements to peer group queries, robust validations in password recovery and external login, role migration adjustments, and general code optimizations.

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🧪 Quattrol 365

Statistics and Control Charts (#1436)

• Average Date Adjustment: Fixed Levey-Jennings date calculations (lv-graphics) to select the date corresponding to each period rather than a global value when multiple ranges exist.
• Safe Record Resolution: Utilized getValidRecord for safe date resolution and configuration access in the pre-statistics generator.
• Peer Group Queries: Fixed peer group querying to accurately reflect record and associated sample counts.

Data Migration (#1436)

• Role Migration: Updated role migration from Midna to New Quattrol, ensuring consistency across laboratory permissions.

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👤 General & Security

Authentication and Password Recovery (#1436)

• Non-Existent User Validation: Added validation in the reset password flow when the requested user does not exist in the system.
• Safe Login Activation Handling: Added try-catch error handling and additional validations in the external login component for secure activation.
• Test Coverage: Updated unit tests covering new login and password reset scenarios.

Code Quality and Maintenance

• Code Cleanup: Removed unused imports, variables, and dead code throughout the source codebase (src).

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