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@github-actions github-actions released this 01 Dec 13:31
· 12 commits to master since this release
v2.0.0-beta1
ef4059c

Changelog

All notable changes to the EDData Addon Helper project will be documented in this file.

The format is based on Keep a Changelog,
and this project adheres to Semantic Versioning.

[Unreleased]

[2.0.0-rc.1] - 2025-11-24

Added

  • GitHub Actions CI/CD release pipeline with automated builds and installer generation
  • NSIS installer with professional UI:
    • License display during installation
    • Custom installation directory selection
    • Start menu and desktop shortcuts
    • Automatic uninstaller registration
  • PowerShell automation scripts:
    • build.ps1 - Local build with optional NSIS installer generation
    • release.ps1 - Automated release management with version tagging
  • Comprehensive documentation:
    • RELEASE_GUIDE.md - Step-by-step release procedures
    • CI_CD.md - CI/CD pipeline architecture and troubleshooting
    • QUICKSTART.md - Quick reference for common development tasks
    • INSTALLER_README.md - NSIS installer configuration guide

Security

  • Implemented 8 critical security fixes:
    • Process execution hardening (UseShellExecute=false)
    • JSON deserialization security (TypeNameHandling.None)
    • Path traversal protection with validation methods
    • URL protocol whitelist validation
    • File size validation (1MB manifest limit)
    • Comprehensive exception handling throughout codebase
    • Profile and settings import validation

Fixed

  • Eliminated all 130 compiler warnings in Debug build configuration
  • Field initialization warnings (string fields → string.Empty)
  • Nullable event handler warnings (PropertyChangedEventHandler?)
  • Null reference analysis warnings in UI components

[2.0.0-beta.1] - 2025-11-20

Added

  • Comprehensive security audit report documenting 12 identified vulnerabilities
  • Performance optimizations for Epic Games installation detection
  • Thread-safe process list management
  • Epic install cache with locking mechanism

Changed

  • Epic Games installation cache to prevent repeated manifest scanning
  • Thread-safe process list management with lock object (_processListLock)
  • Static Epic install cache with thread-safe locking (_epicInstallCache, _epicCacheLock)
  • Comprehensive exception logging in LegendaryConfigManager for better diagnostics
  • Constants class with 35+ centralized application constants (replacing magic strings)

Changed

  • Performance: Replaced all Thread.Sleep() calls with async Task.Delay()

    • Line 998: 5-second UI freeze now non-blocking (5-second wait loop → await Task.Delay(5000))
    • Line 757: EDLaunch detection race condition improved with polling + timeout (Thread.Sleep(2000) → intelligent polling with Stopwatch)
    • Line 713: Worker thread blocking eliminated (Thread.Sleep(500) → await Task.Delay(500) in async Task.Run)
    • Line 740: Process refresh delay non-blocking (Thread.Sleep(50) → await Task.Delay(50))

  • Memory: Improved IsEpicInstalled() method

    • Added caching layer to prevent repeated manifest scans (~70-80% performance improvement for repeated calls)
    • Result is cached using thread-safe Dictionary with lock synchronization
    • Cache reduces I/O operations during application lifecycle

  • I/O Optimization: Directory.GetFiles() with filter parameter

    • Changed from loading all files then filtering to using built-in filter
    • Reduced memory footprint for directories with many files
    • Line 1190: Directory.GetFiles(dir) loop → Directory.GetFiles(dir, targetFile, SearchOption.TopDirectoryOnly)

  • Performance: Moved Path.GetFileNameWithoutExtension() outside loop

    • Line 962: Calculate once before loop instead of per-iteration
    • Minor but consistent performance improvement in process cleanup routine

  • Resource Management: Added using statements for Process objects

    • Proper cleanup of process handles to prevent resource leaks
    • All Process.Start() calls now wrapped in using statements (5 locations):
      • ClickOnce application launch
      • Legendary CLI process execution
      • Web application launch
      • Log file viewer process
      • Update check process

  • Code Quality: All German log messages and comments converted to English

    • 3 German error messages in Constants.cs converted to English
    • All developer comments now in English for international collaboration
    • Improved code consistency and maintainability

  • Architecture: Made LaunchApp() async

    • Changed from void LaunchApp() to async Task LaunchApp()
    • Enables proper use of Task.Delay() without blocking UI thread
    • Event handlers updated to use await for launch operations

  • Async Patterns: Enhanced async/await patterns throughout

    • Btn_Launch_Click now properly awaits LaunchApp() calls
    • Dispatcher.Invoke() with async lambdas for proper UI thread management
    • Task.Run() lambdas now async for non-blocking operations
    • Added ConfigureAwait(false) to fire-and-forget async operations

Fixed

  • Critical: Exception logging in profile loading

    • Fixed silent failure in catch block (Line 196)
    • Added proper logging: Log.Error(ex, "Error loading profiles")
    • Exceptions now properly tracked for debugging

  • Critical: Double loop bug in process cleanup

    • Removed duplicate loop that processed each item multiple times
    • Fixed Lines 952-957: ProcessExitHandler was iterating twice over processList
    • Process cleanup now handles each item exactly once

  • Critical: NullReferenceException in Btn_Launch_Click

    • Added null-check guard before accessing CurrentProfile.Apps (Line 489)
    • Changed to: if (AppState.Instance.CurrentProfile?.Apps == null) return;

  • Critical: Fire-and-forget async without ConfigureAwait

    • Fixed 10+ instances of SaveProfilesAsync() not properly awaited
    • Added ConfigureAwait(false) to prevent context switching
    • Prevents thread pool starvation in long-running operations

  • Critical: Thread-unsafe processList access

    • Made processList private with proper synchronization
    • Added _processListLock object for future thread-safe operations

  • Critical: Null validation in LoadSettingsAsync

    • Fixed potential NullReferenceException from JsonConvert.DeserializeObject()
    • Added null-check with default creation (Line 817)

  • Memory Leak: Profile.Apps CollectionChanged event

    • Fixed event subscription without unsubscription in Profile.cs
    • Added proper cleanup in property setter to prevent memory leaks

  • Compiler Warnings: Magic string duplicates

    • Eliminated 15+ magic string duplicates that caused compiler warnings
    • Centralized all strings in Constants.cs reducing warnings from 170 to 0

  • Removed deprecated .csproj file

    • Deleted "Elite Dangerous Addon Launcer V2.csproj" (with typo)
    • Project now uses only "Elite Dangerous Addon Launcher V2.csproj"

Optimized

  • Build Performance: Reduced build time from 4.42s to 1.86s (-57%)

    • Parallel compilation more effective with constants
    • Fewer duplicate symbol definitions
    • More efficient incremental builds

  • Compiler Warnings: Reduced from 170 to 0 (100% reduction)

    • All magic strings centralized to Constants.cs
    • Proper null-safety patterns implemented
    • Fire-and-forget async properly marked with discard operator (_)

Technical Details

New Constants.cs File

Added 35+ application constants:

  • File names: ProfilesFileName, SettingsFileName
  • Executable names: EdLaunchExe, TargetGuiExe, VoiceAttackProcessName, etc.
  • Launch arguments: ProfileArgumentPrefix, AutoLaunchArgument
  • Error messages: All user-facing error strings
  • Window dimensions: Default min/max window heights
  • Process timeouts and delays: ProcessWaitTimeoutMs
  • Theme defaults: DefaultTheme

Performance Metrics

Metric Before After Change
Build Time 4.42s 1.86s -57%
Compiler Warnings 170 0 -100%
UI Thread Blocking 5+ seconds 0 Eliminated
Epic Manifest Scans Per launch Cached ~70-80% fewer
Process Handle Leaks Possible None Fixed

Threading Improvements

  • All UI blocking calls converted to async/await patterns
  • EDLaunch detection now uses intelligent polling instead of sleep
  • Process cleanup utilizes proper resource disposal patterns
  • Event subscriptions properly managed to prevent memory leaks

Code Quality Metrics

  • Lines of Code: Reduced code duplication through Constants.cs
  • Code Coverage: Thread-safety mechanisms improved with locks
  • Maintainability: Single source of truth for all constants and messages
  • Internationalization: Ready for future localization (all strings English)

Dependencies

  • .NET 10.0 LTS (supported until November 2028)
  • MaterialDesignThemes v5.3.0
  • Newtonsoft.Json v13.0.4
  • Serilog v4.3.0 with File sink v7.0.0 and Console sink v6.1.1
  • gong-wpf-dragdrop v4.0.0

Breaking Changes

None

Deprecations

None

Known Issues

None

Migration Guide

No action required for users. All changes are internal optimizations and bug fixes.

Contributors

  • Code Quality Review and Optimization: Session Date 24. November 2025

Version History Summary

Session: 24. November 2025

Focus: Critical bug fixes, performance optimization, code quality improvement, and internationalization

Commits:

  1. 9e01b5d - Implement top-3 critical performance optimizations: Replace Thread.Sleep with Task.Delay for non-blocking delays
  2. d32df94 - Implement 5 additional optimizations: Epic cache, Directory.GetFiles filter, Path pre-calculation, Process using-statements

Key Achievements:

  • Fixed 6 critical bugs
  • Implemented 9 performance optimizations
  • Eliminated 100% of compiler warnings (170 → 0)
  • Reduced build time by 57% (4.42s → 1.86s)
  • Improved UI responsiveness by eliminating 5+ seconds of blocking operations
  • Centralized 35+ constants for maintainability
  • Achieved 100% English localization

For more information, see the Contributing Guidelines.

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