Updates & Changelog
Track our development progress, new features, and improvements. We're constantly working to make PlotNerd better for statistical analysis.
Latest v2.5.0 November 21, 2025
Post-Implementation Polish: Internal Linking & Visualization Fixes
π New Features
- β Hub-and-Spoke Architecture: Complete internal linking strategy connecting Homepage, Tool Pages, and Blog Posts for better content discoverability.
- β Expert Guides Section: New homepage section featuring "Complete Guide to Quartiles" and other key resources.
- β Related Guides Integration: Contextual learning resources added to Tukey, IQR, and 5-Number Summary calculators.
π Bug Fixes
- β Box Plot Rendering: Fixed visualization issues on Percentile Calculator for "Quick Start" data.
- β Sitemap Update: Corrected robots.txt to point to `sitemap-index.xml` for better search engine crawling.
Previous v2.4.0 November 19, 2025
Content & Visualization Expansion
π New Features
- β Percentile Calculator: Brand new tool for calculating any percentile (25th, 50th, 75th, 90th, 95th, 99th) with multiple algorithms. Try it now β
- β Advanced Box Plots: Added support for "Notches" (Median Confidence Intervals) and configurable outlier detection.
- β Quick Start Data: Added one-click sample datasets (SAT Scores, Salaries, Temperatures) to all calculators.
π Deep Dive Content
- β Added "When to Use" and "Common Percentiles Explained" sections to help users choose the right statistical method.
Previous v2.3.0 November 18, 2025
Core Optimization & SEO
β‘ Improvements
- β Schema Markup: Comprehensive `FAQPage`, `BreadcrumbList`, and `HowTo` schema added to all tool pages for better search results.
- β Meta Tags: Optimized Title, Description, and OpenGraph tags for better social sharing and CTR.
- β Performance: Improved Core Web Vitals with optimized asset loading and script execution.
Latest v2.2.0 November 17, 2025
Week 2 Content Release: IQR Outlier Detection & Excel Integration
π New Features
- β IQR Outlier Detector Tool: New dedicated tool for outlier detection using both Tukey (1.5ΓIQR) and MAD (Median Absolute Deviation) methods. Features instant visualization, export capabilities, and comprehensive FAQ section. Try it now β
- β Excel Box Plot Tutorial: Comprehensive step-by-step guide for creating box plots in Excel 2026. Includes built-in chart method, manual calculation approach, quartile compatibility notes, and troubleshooting tips. Read tutorial β
- β Salaries Distribution Dataset: New practice dataset with 80 anonymized salary records across 8 industries. Includes experience levels, education backgrounds, and geographic locations. Perfect for outlier detection and statistical analysis practice. Download dataset β
β‘ Improvements
- β Enhanced Internal Linking: Comprehensive cross-linking between new and existing content. All related articles now include "Related Tools" and "Practice Datasets" sections for better navigation
- β Homepage Tool Navigation: Updated homepage to include IQR Outlier Detector in the tools grid, making it easily accessible alongside Quartile Calculator and Standard Deviation Calculator
- β Blog Index Updates: Added Excel Box Plot tutorial to the blog index with proper categorization and metadata
- β Dataset Integration: Salaries dataset includes direct links to IQR Outlier Detector and Standard Deviation Calculator for seamless workflow
π Content Quality
- β SEO Optimization: All new content includes comprehensive meta tags, structured data (Schema.org), and optimized keywords for better search visibility
- β Natural Language: Content written to avoid AI-generated patterns, with practical examples, real-world scenarios, and actionable insights
- β Template Compliance: All new pages follow MVP template requirements with proper sections, FAQ, and update records
Previous v2.1.0 November 4, 2025
Major Platform Expansion
π New Features
- β Standard Deviation Calculator: New dedicated tool for variance and standard deviation analysis
- β Browser Extension Integration: Promotion system for PlotNerd Companion extension
- β Datasets Collection: Curated practice datasets with direct tool integration
- β Knowledge Center Expansion: Enhanced tutorial system with learning paths
β‘ Improvements
- β Enhanced navigation with Tools/Knowledge/Datasets structure
- β Improved mobile responsiveness across all tools
- β Better sample data integration with quick-load buttons
- β Open source project visibility with GitHub integration
π§ Technical
- β Google AdSense integration for sustainable development
- β Enhanced SEO optimization and structured data
- β Improved calculation engine performance
Previous v2.0.5 October 15, 2025
Algorithm Enhancement & Bug Fixes
Improvements
- β Enhanced numerical precision for large datasets
- β Improved algorithm comparison visualization
- β Better error handling for edge cases
Major Release v2.0.0 September 16, 2025
Multi-Algorithm Support Launch
New Features
- β Four quartile calculation algorithms (Tukey, R-7, Excel, WolframAlpha)
- β Side-by-side algorithm comparison
- β Interactive box plot visualization
- β Comprehensive tutorial system
πΊοΈ Development Roadmap
π Next 4 Weeks
β
IQR Outlier Detection Tool
Completed in Week 2 (Nov 17)
2
Mean/Median/Mode Calculator
Central tendency measures with interpretations (Week 4)
3
Week 3 Content
R-7 vs Tukey vs Excel Quartiles tutorial, CSV to Box Plot guide, E-commerce dataset
4
Histogram Generator
Interactive histogram creation tool (Week 6)
π― Long-term Goals
Q1
Histogram Generator
Interactive histogram creation tool
Q2
Advanced Statistics Suite
Comprehensive descriptive statistics dashboard
Q3
API & Integrations
Developer API for third-party integrations
π¬ Share Your Feedback
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