Change Log

Major Version 0.x

Version 1.1.1 (Mar. 27, 2026)

  • Fix packaging, CI, and Python metadata inconsistencies.

  • Fix grid coordinates bugs.

  • Fix multiple runtime correctness bugs in scenario copying, agent indexing, visualization, table utilities, and parallel execution.

  • Improve configuration round-tripping, cache recovery, and development environment metadata.

Version 1.1.0 (Dec. 10, 2025)

  • Add new examples and update documentation.

  • Fixed small bugs in Calibrator and Trainer.

  • Add thread-based execution support to Simulator.run_parallel() via the parallel_mode parameter.

  • Add thread-based parallel execution mode for Calibrator and Trainer via the parallel_mode parameter.

  • Expand tested Python version coverage through 3.14 (tested on 3.14.2).

Version 1.0.0 (Mar. 14, 2024)

  • Clean up unused files and code.

  • Simplify output format: CSV is now the default, with SQLite as an optional choice.

  • Improve multi-processing performance for calibrator and trainer.

  • Unify predefined names for special input files (e.g., SimulatorScenarios, TrainerScenarios, CalibratorScenarios).

  • Upgrade supported Python version from 3.8 to 3.12.

Version 0.8.0 (May. 10, 2023)

  • Remove Cythonized modules to improve maintainability and compatibility with PyPy.

Version 0.7.0 (Mar. 25, 2023)

  • Fix version compatibility issue for SQLAlchemy.

  • Fix NumPy data type error (issues #12, #18).

  • Remove unused dependencies from requirements.txt and setup.py.

  • Update documentation based on JOSS reviewer feedback.

  • Fix path resolution issue on *nix platforms.

  • Add a proxy router to support the gateway in MelodieStudio.

Version 0.6.0 (Jan. 04, 2023)

  • Modify Calibrator.distance method to use model instead of environment as a parameter.

  • Modify parameter names in Trainer.add_agent_training_property.

  • Add the API Reference page to the documentation.

Version 0.5.0 (Dec. 17, 2022)

  • Add visualizer API for Grid and Network.

  • Fix port resource leak bugs in Trainer.

  • Fix a time-counting bug in the data collector.

Version 0.4.2 (Dec. 15, 2022)

  • Fix several bugs in the Calibrator class, related to logging, environment properties, multiple paths, and column names.

Version 0.4.1 (Dec. 12, 2022)

  • Complete and release the first version of the documentation.

Version 0.4.0 (Nov. 15, 2022)

  • Separate the MelodieInfra package, which contains infrastructure components.

  • Add HTTP GET support to the WebSocket protocol.

  • Add support for connection strings in the DBConn class.

Version 0.3.0 (Oct. 28, 2022)

  • Implement batch loading API for DataframeInfo.

  • Implement Logger API.

Version 0.2.0 (Oct. 24, 2022)

  • Enable the DB module to read from specific directories.

  • Add the filter method to select agents based on specified conditions.

Version 0.1.1 (Aug. 23, 2022)

  • Add a specific description for the assertion error in Grid.set_spot_property.

Version 0.1.0 (Jul. 22, 2022)

  • First version, with all main modules created.

Project Start (May. 10, 2021)

  • Start of the journey.