Release Notes - v4.2.1 🚀

February 26, 2026

This maintenance update focuses on expanding zymDev Core communication capabilities and fixing critical bugs in registration logic and visual statistics.

🏗️ zymDev Core (General)

Notifications and Communication

SendGrid Support: Integrated SendGrid support into the SMTP notification workflow, including robust error handling for email delivery.

Registration and Authentication

Registration Logic: Comprehensive fix in the account creation workflow (#958).
Auto-Login: Implemented automatic sign-in immediately following successful registration.
Memberships: Added Firestore security rules for efficient membership management.
Refactoring: Cleaned up unnecessary asynchronous code in user update callbacks.

Style

Code: Adjusted indentation in switch statements to improve readability and comply with team standards.

🧪 Quattrol 365

Bug Fixes

Statistics Display: Resolved the visual issue affecting Means and Standard Deviations (SD) on the results entry screen (#942).
Conditional Calculation: Implemented conditional date processing in calculateStatistics for improved accuracy.
Visual Consistency: Null values are now formatted as a dash (-) in generateFixedRow to maintain a clean interface.

Improvements and Maintenance

Agent Suggestions: Applied enhancements recommended by development agents in the data entry module (dataentry).
Initialization: Automatically triggered calculateStatistics during component initialization to immediately display updated data.
Version: Official package version bump to 4.2.1.

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