Updates & Changelog

Track our development progress, new features, and improvements. We're constantly working to make PlotNerd better for statistical analysis.

Latest v3.1.1 February 2, 2026

Massive Blog Localization & Internal Link Fixes

Localization

  • βœ“ 25 Blog Posts in Spanish: Complete translation of all blog articles with full content parity (β‰₯80% line count).
  • βœ“ 25 Blog Posts in Chinese: Complete translation of all blog articles with SEO-optimized content.

πŸ› Bug Fixes

  • βœ“ Internal Links: Fixed 150+ internal links missing trailing slashes that caused 404 errors.
  • βœ“ Year in Slugs: Removed years from blog slugs (e.g., box-plot-in-excel-2026 β†’ box-plot-in-excel) for evergreen URLs.
  • βœ“ Path Corrections: Fixed 6 incorrect tool paths (/tools/iqr-outlier-detector β†’ /iqr-outlier-detector).

⚑ Improvements

  • βœ“ 301 Redirects: Added Cloudflare Pages redirect rules for old URLs with years to maintain SEO equity.
  • βœ“ Language Switcher: Changed English icon from UK flag to neutral globe for better international appeal.
Previous v3.1.0 January 22, 2026

πŸ“… 2026 Annual Content Update

Content Updates

  • βœ“ Excel Box Plot Tutorial: Fully updated for Excel 2026 with latest interface screenshots and steps. Read updated tutorial β†’
  • βœ“ Documentation: Updated Terms of Service and Privacy Policy dates across the site.
Major Release v3.0.0 December 26, 2025

Multi-Language Support Launch

New Features

  • βœ“ Full Chinese Localization: 14 Chinese pages including homepage, 8 tool pages, privacy policy, terms of service, and contact page.
  • βœ“ Full Spanish Localization: Complete Spanish translation matching Chinese coverage.
  • βœ“ Language Switcher: One-click language switching in the navigation bar.
  • βœ“ i18n Infrastructure: Complete translation framework supporting 4 namespaces (common, components, pages, algorithms).

⚑ Improvements

  • βœ“ SEO Optimization: Auto-generated hreflang tags for improved multi-language search visibility.
  • βœ“ Sitemap Updates: All localized pages added to the sitemap.
Previous v2.5.0 November 21, 2025

Post-Implementation Polish: Internal Linking & Visualization Fixes

πŸš€ New Features

  • βœ“ Hub-and-Spoke Architecture: Complete internal linking strategy connecting Homepage, Tool Pages, and Blog Posts for better content discoverability.
  • βœ“ Expert Guides Section: New homepage section featuring "Complete Guide to Quartiles" and other key resources.
  • βœ“ Related Guides Integration: Contextual learning resources added to Tukey, IQR, and 5-Number Summary calculators.

πŸ› Bug Fixes

  • βœ“ Box Plot Rendering: Fixed visualization issues on Percentile Calculator for "Quick Start" data.
  • βœ“ 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

New Features

  • βœ“ Percentile Calculator: Brand new tool for calculating any percentile (25th, 50th, 75th, 90th, 95th, 99th) with multiple algorithms. Try it now β†’
  • βœ“ Advanced Box Plots: Added support for "Notches" (Median Confidence Intervals) and configurable outlier detection.
  • βœ“ Quick Start Data: Added one-click sample datasets (SAT Scores, Salaries, Temperatures) to all calculators.

Deep Dive Content

  • βœ“ 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

⚑ Improvements

  • βœ“ Schema Markup: Comprehensive `FAQPage`, `BreadcrumbList`, and `HowTo` schema added to all tool pages for better search results.
  • βœ“ Meta Tags: Optimized Title, Description, and OpenGraph tags for better social sharing and CTR.
  • βœ“ 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

πŸš€ New Features

  • βœ“ IQR Outlier Detector Tool: New dedicated tool for outlier detection using both Tukey (1.5Γ—IQR) and MAD (Median Absolute Deviation) methods. Features instant visualization, export capabilities, and comprehensive FAQ section. Try it now β†’
  • βœ“ 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†’
  • βœ“ 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†’

⚑ Improvements

  • βœ“ 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
  • βœ“ 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
  • βœ“ Blog Index Updates: Added Excel Box Plot tutorial to the blog index with proper categorization and metadata
  • βœ“ Dataset Integration: Salaries dataset includes direct links to IQR Outlier Detector and Standard Deviation Calculator for seamless workflow

Content Quality

  • βœ“ SEO Optimization: All new content includes comprehensive meta tags, structured data (Schema.org), and optimized keywords for better search visibility
  • βœ“ Natural Language: Content written to avoid AI-generated patterns, with practical examples, real-world scenarios, and actionable insights
  • βœ“ 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

New Features

  • βœ“ Standard Deviation Calculator: New dedicated tool for variance and standard deviation analysis
  • βœ“ Browser Extension Integration: Promotion system for PlotNerd Companion extension
  • βœ“ Datasets Collection: Curated practice datasets with direct tool integration
  • βœ“ Knowledge Center Expansion: Enhanced tutorial system with learning paths

⚑ Improvements

  • βœ“ Enhanced navigation with Tools/Knowledge/Datasets structure
  • βœ“ Improved mobile responsiveness across all tools
  • βœ“ Better sample data integration with quick-load buttons
  • βœ“ Open source project visibility with GitHub integration

πŸ”§ Technical

  • βœ“ Google AdSense integration for sustainable development
  • βœ“ Enhanced SEO optimization and structured data
  • βœ“ Improved calculation engine performance
Previous v2.0.5 October 15, 2025

Algorithm Enhancement & Bug Fixes

Improvements

  • βœ“ Enhanced numerical precision for large datasets
  • βœ“ Improved algorithm comparison visualization
  • βœ“ Better error handling for edge cases
Major Release v2.0.0 September 16, 2025

Multi-Algorithm Support Launch

New Features

  • βœ“ Four quartile calculation algorithms (Tukey, R-7, Excel, WolframAlpha)
  • βœ“ Side-by-side algorithm comparison
  • βœ“ Interactive box plot visualization
  • βœ“ Comprehensive tutorial system

πŸ—ΊοΈ Development Roadmap

πŸ“… Next 4 Weeks

βœ“

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)

🎯 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

πŸ’¬ Share Your Feedback

Help us improve PlotNerd by sharing your suggestions, bug reports, or feature requests.

πŸ› Report Bug Suggest Feature πŸ“§ Contact Us