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CHANGELOG.md

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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.

Unreleased

[0.5.0] - 2025-10-27

Added

  • VirtualTimeGenStateMachine with full :gen_statem support
  • start_link/3, start/3, call/3, cast/2, stop/3 functions for VirtualTimeGenStateMachine
  • Compilation warnings for global virtual clock operations to prevent race conditions

Changed

  • Optimized VirtualClock event scheduling by using asynchronous operations
  • Time backend is now internal and transparent to client code
  • VirtualTimeGenServer and VirtualTimeGenStateMachine functions now emit warnings when using global clock injection
  • Removed complex wrapper module causing callback conflicts
  • Now uses native Erlang :gen_statem directly

Fixed

  • State enter callbacks now work correctly in VirtualTimeGenStateMachine
  • Long-running simulations timeout issues resolved
  • Both :handle_event_function and :state_functions callback modes supported

[0.4.0] - 2025-10-15

Added

  • Ractor (Rust) code generator with Ractor framework
  • Single-file generator examples for Ractor and VLINGO
  • Documentation for Ractor generator

Fixed

  • Separated generated interface code from customizable implementation code across all generators
  • Fixed Mermaid flowchart reports missing edges for dynamic sends

[0.3.0] - 2025-10-14

Added

  • Virtual delays feature for actors
  • Quiescence termination mode
  • Enhanced diagram generation with trace-based approach
  • Dining philosophers example

Changed

  • Refactored sleep handling into TimeBackend behaviour
  • Enhanced diagram generation

Fixed

  • Corrected termination labels in reports
  • Fixed diagram accuracy issues

[0.2.3] - 2025-10-14

Added

  • Generator documentation in README

Changed

  • Added console output in all generated code
  • Implemented thread-safe ConsoleLogger for Pony generator
  • Updated all example projects

0.2.0 - 2025-10-12

Added

  • Code generators for CAF (C++), Pony, Phony (Go), and VLINGO (Java)
  • Mermaid report generator module
  • Full GenServer callback support including handle_continue/2 and call timeout handling
  • Termination conditions for simulations based on actor state
  • Enhanced Mermaid diagrams with sequence diagram features
  • Dining philosophers example
  • Single-file generator examples
  • Generator documentation

Changed

  • Reorganized documentation with quick start examples first
  • Enhanced GitHub Actions workflows
  • Updated license to include full MIT license text

Fixed

  • Dialyzer warnings
  • Flaky tests
  • Generator output issues

0.1.0 - 2025-10-11

Added

  • Initial release
  • VirtualTimeGenServer with virtual time support
  • VirtualClock for event scheduling
  • Switchable real/virtual time backends
  • Actor Simulation DSL
  • Message patterns (periodic, rate-based, burst)
  • Process-in-the-Loop support
  • Pattern matching responses with on_match
  • Message tracing and Mermaid diagram generation