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Changelog

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

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

1.0.0 - 2025-12-14

This is the first stable major release of BakeryJS, representing a complete modernization of the codebase with significant performance improvements and updated tooling.

⚠️ Breaking Changes

  • Node.js 24+ required - Minimum version increased from 8.11 to 24.0.0
  • npm 11+ required - Minimum version for package manager
  • TypeScript 5.x - Compilation target updated to ES2020
  • ESLint flat config - .eslintrc.json replaced with eslint.config.mjs

Added

  • Custom FastPriorityQueue implementation replacing better-queue with O(log n) operations
  • CPU profiling infrastructure for performance analysis
  • Comprehensive benchmarking system for TracingModel performance
  • Integration test suite for end-to-end validation
  • Code quality script (npm run code-quality) for unified formatting, linting, and type checking
  • Coverage script with enhanced Jest coverage configuration
  • Cyclomatic complexity enforcement (maximum 6) across source files
  • Modern ES import syntax with import type for type-only imports
  • Nullish coalescing (??) for safer default values

Changed

  • Dependencies modernized:
    • TypeScript: 3.9.10 → 5.9.3
    • Jest: 25.5.4 → 29.7.0
    • ESLint: 7.30.0 → 9.39.2
    • Prettier: 2.2.1 → 3.7.4
    • AJV: 6.12.6 → 8.17.1
    • ts-node: 8.x → 10.9.2
    • nodemon: 2.x → 3.1.11
    • typedoc: 0.20.x → 0.28.15
  • ES target: ES2017 → ES2020
  • Test suite: Improved reliability and developer experience
  • Coverage: Branch coverage improved from 77% to 84%

Removed

  • better-queue dependency (replaced with custom FastPriorityQueue)
  • async library (was unused in codebase)
  • @types/async (no longer needed)
  • @types/better-queue (no longer needed)
  • eslint-plugin-typescript (deprecated, superseded by @typescript-eslint)
  • typescript-eslint-parser (deprecated, superseded by @typescript-eslint)
  • MilanBuilder (experimental, unused)

Performance

  • Queue throughput: ~693 msgs/sec → ~63,254 msgs/sec (91× improvement)
  • Memory usage: ~2.37 GB → ~1.33 GB for 1M items (44% reduction)
  • Algorithmic complexity: O(n log n) per insert → O(log n) per insert
  • Throughput degradation: Eliminated (was causing severe slowdown under load)

Developer Experience

  • 272 tests passing with comprehensive coverage
  • Enhanced TypeScript strict mode with noUncheckedIndexedAccess
  • Modern Jest configuration with proper ts-jest integration
  • Unified code quality checks in single command

0.1.2 - 2021-07-01

Changed

  • Updated jsnetworkx dependency to sb-fork

Security

  • Bumped ws from 7.2.5 to 7.5.0

0.1.1 - 2021-04-19

Fixed

  • Fixed incorrect import path

0.1.0 - 2021-01-27

Changed

  • Set USE_EXPERIMENTAL_TRACING as default behavior

0.0.3 - 2020-08-19

Changed

  • Silenced all visual logging unless debug mode is enabled

0.0.1 - 2020-01-28

Added

  • Initial stable release
  • Flow-based programming model with boxes and flows
  • Priority queue support with batching
  • DAG-based flow builder
  • TypeScript support
  • Jest test suite

Pre-1.0 Beta Releases

For historical beta releases (v0.0.1-beta.1 through v0.0.1-beta.19), see the git history.