Start Pro Trial

VisuaLeaf v1.0.1227 Release Notes

March 9, 2026

================================================================================
NEW FEATURES
================================================================================

IMPORT & EXPORT ENHANCEMENTS


  • Streaming JSON parser for large file imports
  • Handle large JSON files efficiently with streaming parsing and improved
    upsert error handling

  • CSV/JSON transformer support
  • Allow transformers for CSV/JSON imports; transformers are now accessible
    across both import and export engines

  • Auto-detect import format
  • Automatically detect file format during import

  • Export preview schema for CSV/JSON to file targets
  • Preview schema support when exporting from CSV/JSON sources to file
    targets

  • In-activity export job modal
  • Export job configuration now opens within the activity panel instead of
    a full-screen modal

  • Field mapping table improvements:
  • Right-click context menu with insert row above/below and delete row
  • Drag-to-reorder rows via row headers
  • Column header context menus (sort A-Z / Z-A, clear all scripts)
  • Delete confirmation dialog
  • Property-based column lookups replacing hardcoded indices

VISUAL SCHEMA


  • Performance optimizations
  • Throttled zoom animations at 60fps, minimap toggle, cached color
    calculations, OnPush change detection for collection cards

  • Schema generation state persistence
  • Schema generation continues in background when switching panels and
    resumes automatically when returning

JOB & TASK MANAGEMENT


  • Document progress indicator
  • Live document count (e.g., "1,234 / 5,678") displayed next to the
    progress bar during job execution

  • Job item name in execution progress
  • Show job item name in the running execution progress section

  • Task card UI improvements
  • Click anywhere on task header to toggle expand/collapse, improved hover
    highlighting and visual separators

HELP SYSTEM


  • Consolidated help modals
  • Function details are now inline and expandable with deep linking from the
    Value Script header

FILE EXPLORER


  • Pre-populated file path
  • File/folder input pre-populated with home directory for JSON, CSV, and
    MongoDump sources

================================================================================
BUG FIXES
================================================================================

IMPORT & EXPORT


  • Fix nested document handling in export preview
  • Fix CSV export sub-objects with EOL characters producing multi-line
  • cells

  • Fix export progress tracking and add terminal status guards
  • Fix preview deserialization error and use BsonType enum for type coercion
  • Fix empty row detection for delete confirmation in field mapping
  • Fix export graph rendering
  • Fix compare sync delete operations silently failing for missing-in-source
  • documents

DATA TYPES


  • Fix CodeWithScope detection: check scope != null instead of checking keys
  • length -- CodeWithScope (BSON 0x0F) was being misdetected as regular
    JavaScript

  • Fix String not converting to Code/CodeWithScope when target type is
  • JavaScript

PERFORMANCE


  • Fix O(n^2) performance in JSON preprocessing for large documents
  • Reduce memory pressure in import engines
  • Increase I/O buffers and pipeline reads with async writes
  • Stream-level progress tracking for JSON imports

SHELL


  • Fix shell issue with $where operator

OTHER


  • Fix RPM build compatibility (removed from Linux build targets due to
  • rpmbuild incompatibility on macOS)

  • UI padding/size adjustments for container alignment integrity

See the full release history