Jan 28, 2026
This week in Vern: Improved onboarding & AI reliability
We've shipped major improvements to data validation, onboarding, and overall platform stability.

Vish Varma
Co-founder, CEO
New Features
Interactive Preview for New Users: First-time users now see a guided walkthrough showing how Vern cleans messy data, without needing to upload their own files first.
Manual Validation Rules: You can now choose from preset validation patterns (like email, phone number, date formats) instead of only describing them in text. Test your rules before applying them.
Multi-Cell Selection: Select and edit multiple cells at once, just like Excel. Copy, paste, cut, and delete across cell ranges with familiar keyboard shortcuts.
Faster Performance with Large Datasets: Spreadsheets with many columns now load and navigate much faster. We only render what you can see on screen.
Improvements
Data Import & Mapping
Column mappings now persist when switching browser tabs
Excel files import seamlessly with all columns intact
Additional data imports now append to existing rows without overwriting
Validation & Data Quality
Validation states now remain consistent across multiple imports
AI validation rules reliably identify and highlight invalid values
Bulk edits now save immediately and reliably
Cross-Sheet Operations
Lookups between sheets now support matching on multiple columns simultaneously
Value mapping between sheets now works consistently and accurately
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