📝 Changelog & Updates

Restored language selection functionality to homepage header with support for 5 languages: English, Spanish, Portuguese, Chinese, and Japanese.

Added comprehensive bar chart generator with vertical/horizontal layouts, multiple color schemes, and export capabilities.

Launched professional pie chart generator with customizable colors, real-time editing, and PNG/JPG export options.

Fixed critical bug in Chinese zodiac lunar calendar calculation affecting date accuracy and New Year handling.

Added complete Online Games category featuring 2048 game and Memory Flip card game with scoring systems.

Added comprehensive set of tools including WordPress Theme Finder, Barcode Generator, Reaction Speed Test, and Color Palette Generator.

Completed comprehensive SEO optimization with structured data, meta tags, and missing tool translations.

Fixed critical TypeScript errors that were blocking Vercel deployment, including ACFT scoring scales and ESLint quote escaping.

Added comprehensive calculator suite with advanced mathematical and statistical computation capabilities.

Fixed layout centering issues in Academic Tools category and resolved translator duplicate title problems.

Comprehensive fix for double sidebar layout issues across all languages and tool components.

Added Online SQL Compiler as a Developer Tool for SQL learning, testing, and query execution.

Added Prorate Rent Calculator as a Finance Tool for accurate rental payment calculations.

Fixed TypeScript compilation errors in Cumulative GPA Calculator component.

Created new Academic Tool category with Grade Curve Calculator for educational institutions.

Enhanced tools layout and added AP Physics & Stats calculators for standardized test preparation.

Added Boat Floating Calculator (船舶浮力计算器) for marine engineering calculations.

Added statistical analysis tool for calculating five-number summaries of datasets.

Added advanced calculus scoring calculator for AP Calculus BC exam preparation.

Added aviation wind direction calculator for flight planning and safety.

Added comprehensive GPA calculation tool for academic grade tracking.

Added military fitness calculator for Army height and weight standards.

Added AP Biology and AP Chemistry Score Calculators for standardized test preparation.

Fixed mobile dark mode UI issues and removed problematic floating menu components.