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Changelog

All notable changes to this project will be documented in this file.

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

[2.0.0]

Added

  • Added support for flexible day of month parsing (handles both zero-padded and space-padded formats)
  • Added BenchmarkDotNet project for performance testing
  • Added comprehensive POSIX compatibility test suite (138 new tests)
  • Added TryParse methods with proper .NET conventions (returns bool, out parameter for result)
  • Added ReadOnlySpan<char> overloads for Parse and TryParse methods for zero-allocation scenarios
  • Added null argument validation with ArgumentNullException for all public methods
  • Added comprehensive XML documentation for all public API methods
  • Added ToStrftimeString extension methods for DateTime objects

Changed

  • PERFORMANCE: Significant performance improvements in parsing operations
  • PERFORMANCE: Optimized ToDayOfWeek method from O(n) loop to O(1) arithmetic calculation
  • Refactored ToString method to use while loop instead of for loop with internal index modification
  • Improved exception messages for better error clarity

Fixed

  • Fixed IndexOutOfRangeException crash in ParseDayOfWeekFull when parsing 7-character strings starting with "Th"
  • Fixed incorrect parsing when "February" appears in date strings with additional components
  • Fixed case-sensitivity issues in GenericFormatter - month and day name parsing is now case-insensitive for all cultures (POSIX strptime compliance)

Internal

  • Replaced string operations with ReadOnlySpan for better memory efficiency
  • Implemented manual parsing for numeric values instead of using int.Parse
  • Added ConcurrentDictionary-based formatter caching
  • Added System.Memory package dependency
  • Refactored all Consume* methods to use ReadOnlySpan
  • Updated project sdk to .NET 8.0 (was .NET 6.0)
  • Added EqualsIgnoreCase helper method for case-insensitive span comparison
  • Refactored Parse method to use while loop for cleaner control flow
  • Removed some unused structs

[Previous Versions]

No previous versions documented yet.