Flatboard Changelog

Version 4.0 - 2025-11-29

Performance Optimizations

• Database Query Optimization: Implemented static caching for flatDB::readEntry() and flatDB::listEntry() to reduce redundant file system operations


• N+1 Query Fixes: Eliminated N+1 query problems in feed.php, view.php, search.php, and other core files


• Parser Optimization: Added static cache for Parser::title() and optimized Parser::content() and Parser::summary()


• Plugin System: Implemented static caching for plugin configurations and hook validations


• BBCode/BBlight Optimization: Added static cache for quote entries to prevent repeated database reads


• User Management: Implemented static cache for ban list with 60-second TTL


• Search Enhancement: Optimized search functionality with relevance scoring, result limiting, and content preview optimization

Library Improvements

• flatDB Library: Added static caching system with automatic invalidation (5-second TTL)


• Plugin Library: Added cache for hook validation checks


• HTMLForm Library: Added cache for description sanitization


• GlobalRequestLimiter: Fixed potential undefined variable error

RSS Feed Fixes

• Fixed RSS feed redirection issue - now returns valid Atom XML error feed instead of redirecting


• Improved date validation in feed generation


• Optimized topic caching in feed.php

Date Formatting

• Fixed date formatting issues with strftime codes


• Added convertStrftimeToDateTime() function for proper format code conversion


• Enhanced config.php with select dropdowns for date format presets


• Added "Custom" option with dynamic text input for date formats

Security Enhancements

• Ban System Overhaul:
  
  
  • Replaced strpos() with ipInCidr() for accurate IP/CIDR range checking
  
  
  • Added isValidIpOrCidr() for robust IP and CIDR validation (IPv4/IPv6)
  
  
  • Improved ban list management with search, sort, and add functionality
  
  
  • Added confirmation for ban removal
  
  
  • Implemented static cache for ban list with automatic invalidation
  
  
  
  


• CSRF Protection: Enhanced CSRF token generation and validation


• Input Sanitization: Improved HTML sanitization in help descriptions with whitelist-based approach


• IP Validation: Enhanced IP address validation including CIDR support

User Interface Improvements

• Added logout button to frontend header for all logged-in users


• Tags field now only displays if visible tags are configured


• Improved responsive design for various screen sizes


• Enhanced form validation and error display

Plugin Enhancements

• Identicon Plugin (v3.6.0):
  
  
  • Added configurable options for status dot (online/offline) display
  
  
  • Added configurable options for role badge (admin/moderator) display
  
  
  • Improved caching for online status checks
  
  
  • Enhanced role detection with optimized caching
  
  
  • Fixed CSS positioning for status dots and badges
  
  
  
  


• Online Plugin:
  
  
  • Implemented static caching for plugin data, hits, and authenticated users
  
  
  • Optimized cleanup of inactive IPs and authenticated users
  
  
  • Added configuration options for timeout and max_entries
  
  
  • Enhanced modal to display authenticated users, visitors, and bots
  
  
  • Improved IPv6 masking for privacy
  
  
  • Added crawler detection with static caching
  
  
  
  


• FlatBBeditor Plugin:
  
  
  • Fixed conflicts with TinyMCE editor in page plugin
  
  
  • Added conditional loading to prevent conflicts
  
  
  • Fixed undefined array key warnings in markdown editor
  
  
  • Implemented static cache for plugin data
  
  
  
  


• Darkmode Plugin:
  
  
  • Fixed Firefox crashing issues
  
  
  • Added color format validation
  
  
  • Improved error handling and initialization
  
  
  • Added static caching for plugin configuration
  
  
  
  


• Page Plugin:
  
  
  • Ensured TinyMCE editor doesn't conflict with FlatBBeditor
  
  
  • Added proper content field handling
  
  
  • Improved translation support
  
  
  
  

Content Parsing Improvements

• Markdown Editor:
  
  
  • Fixed HTML tag display issue in homepage summaries
  
  
  • Added HTML-to-Markdown conversion for pre-existing HTML content
  
  
  • Improved content parsing in Parser::content() and Parser::summary()
  
  
  
  


• BBCode Processing: Optimized quote processing with static caching

JavaScript Enhancements

• Improved plugin activation/deactivation with better error handling


• Added comprehensive AJAX error handling with timeouts


• Enhanced UI feedback for user actions


• Fixed TypeError issues in flatboard.js

Bug Fixes

• Fixed white page error in identicon plugin


• Fixed undefined array key warnings in multiple files


• Fixed date formatting display issues


• Fixed search functionality optimization


• Fixed tag display logic in forms


• Fixed various PHP warnings and notices

Code Quality

• Improved error handling throughout the application


• Added comprehensive logging for debugging


• Enhanced code documentation


• Improved code organization and structure

Previous Versions

Version 3.5.0 - 2025-02-08

• Initial release of optimized version


• Base functionality improvements

For more information, visit https://flatboard.org