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Changelog

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

For changelog we follow Keep a Changelog format and for versioning use Semantic Versioning

1.0.1-beta.12 - 2026-05-03

Added

  • Test cases for experiment logging
  • Test cases for CLI
  • Added docstrings to some multiple classes for API docs
  • CLI tools for listing available templates and finchge doctor command for overall health check

Changed

  • Changed documentation by breaking down introduction page into multiple sub pages
  • Updated CLI tools for improved validation of config and grammar files
  • Refactored to separate the functions for ptc2 and ptc2d
  • Refactoring in mapper for variable name mismatches

Fixed

  • Fixed experiment logging issue with multi-objective ge
  • Fixed subtree crossover returning incomplete trees
  • Default grammar changed to make same for Keijzer, Nguyen Vladislavleva benchmarks
  • Fixed docstrings supporting strict build mode of mkdocs
  • Fixed permutation counts (storing exact-depth)
  • Fixed crossovers resulting in one extra individual when population size is odd number

1.0.1-beta.11 - 2026-04-13

Fixed

  • Fixed tail appending during reverse-mapping
  • Fixed subtree crossover returning incomplete trees
  • Default grammar changed to make same for Keijzer, Nguyen Vladislavleva benchmarks

1.0.1-beta.10 - 2026-04-13

Fixed

  • Fixed CLI-based project creation issues

1.0.1-beta.9 - 2026-04-13

Added

  • Test cases to verify population related properties of tree based initialisers
  • Documentation added in API docs, comments and docstrings.

Changed

  • Refactored code for checking incompatible operators
  • updated docs related to tree based initialization and operators
  • updated experiment logger to support logging for multi-objective experiments
  • Updated mutation and crossover to handle within_used
  • Tree generator updated for tree-based population initialisers
  • Invalid individuals handing updated.

Fixed

  • Fixed toml file to include non-pyton files like yaml, bnf in project templates
  • Logging issues fixed by connecting global logging
  • Fixed RVD intializer to remove hard-coded codon size value

1.0.1-beta.8 - 2026-04-10

Added

  • Selection operators: LexicaseSelection, EpsilonLexicaseSelection
  • Fitness Functions: CrossEntroypyFitness, HingeLossFitness, MSEFitness
  • Added VladislavlevaBenchmark benchmark for regression

Changed

  • Updated FitnessEvaluator, Parallel Executor, Algorithms, Checkpointing to support Lexicase
  • Updated Fitness functions to support Case-wise evaluation
  • Added validation to ensure the evaluation context contract is valid among FitnessEvaluator, selction, and fitness.
  • Refactored benchmark suites for more organized folder structure

Fixed

  • Fixed random seed leak fixed in parallel execution.
  • Fixed silent failure cases when incompatible phenotype runners were used
  • Fixed SymbolicExpression evaluation freezing for deeply nested trigonometric functions.

1.0.1-beta.7 - 2026-04-05

Added

  • Added API docs and documentation for benchmarks

Changed

  • Revised Introduction section of documentation to include links to API docs.

Fixed

  • Fixed grammar parser to support angular brackets in phenotype
  • Updated Cartpole grammar to make more readable with comparison symbols.

1.0.1-beta.6 - 2026-04-04

Added

  • Tree Logging for multi-objective GE

Changed

  • Refactored visualization module to separate tree plots
  • Logging updated for cleaner output directories for single and multi-objective ge
  • Updated control problem benchmarks

Fixed

  • Fixed grammar and map of SantaFe Trail benchmark
  • Updated grammar for Cartpole problem comparison symbols replaced by lt, gt, ge, le.
  • Updated random state handling for deterministic experiments in control benchmarks

1.0.1-beta.5 - 2026-04-02

Added

  • Project templates for CLI project creation

Changed

  • Updated documentation Population, Grammar, benchmarks.
  • Updated logger, saving trees as txt files

Fixed

  • Fixed SymbolicExpression Safe Eval issues
  • Fixed Warnings for high values in RMSE fitness by clipping high pred values before squaring

1.0.1-beta.4 - 2026-03-25

Changed

  • Updated documentation
  • Changed grammar method in benchmarks to return Grammar instance instead of string

1.0.1-beta.3 - 2026-03-05

Added

  • Documentation for SymbolicExpression, GERegressor

Fixed

  • Fixed psqrt, plog issues in SymbolicExpression
  • Fixed CLI when param not passed

1.0.1-beta.2 - 2026-02-26

Added

  • Added MAEFitness function
  • Documentation for multiple classes

Fixed

  • Fixed hyperlinks in documentation to make compatible with ReadTheDocs

1.0.1-beta.1 - 2026-02-25

Added

  • Initial release of finchGE
  • Core Grammatical Evolution functionality

Changed

  • Initial release

Fixed

  • Initial release