Changelog

Version: 0.2.2
Date: 2026.08.03
  Changes:
    - Corrected changelog.txt formatting to match the standard Factorio changelog schema (missing category colons, non-recognized "Bugfix" category, and a freeform entry).

Version: 0.2.1
Date: 2026.07.09
  Bugfixes:
    - Fixed automated Factorio validation in headless CI by removing a desktop-only launch flag.

Version: 0.2.0
Date: 2026.07.09
  Bugfixes:
    - Updated metadata and prototype definitions for Factorio 2.1 compatibility.
    - Migrated fluid-using recipes from the removed `category` field to the Factorio 2.1 `categories` field.
    - Updated steam engine and steam turbine entity tinting for the Factorio 2.1 generator `pictures` layout.
    - Removed standalone item tooltips that advertised Advanced Fluid Infrastructure pipeline extent when Advanced Fluid Infrastructure is not installed.
    - Added the Space Age dependency required by the Space Age science pack progression.
    - Fixed upgraded steam engine and steam turbine health values.
    - Hardened primary steam turbine recipe migration handling.
  Changes:
    - Added the first Advanced Power Infrastructure public release candidate for Factorio 2.1 and Space Age.
    - Added release packaging, CI validation, deployment automation, and public release documentation.
    - Updated the repository README and packaged README for public presentation.
    - Clarified GPLv3 licensing, AI-assisted development disclosure, and upstream provenance.
    - Made Advanced Fluid Infrastructure and Advanced Energy Grid optional dependencies.
    - Added standalone recipe and technology fallback paths when Advanced Fluid Infrastructure is not installed.
    - Limited power-generation pipeline extent parity to games where Advanced Fluid Infrastructure is installed.
    - Split electric grid infrastructure into the optional Advanced Energy Grid companion mod.
    - Split fluid pipe and pump infrastructure into the optional Advanced Fluid Infrastructure companion mod.
    - Added pipeline extent descriptions to relevant power entity and item tooltips when supported.
    - Consolidated steam engines and steam turbines back to one item per tier.
    - Renamed the base steam engine to Iron Steam Engine and MK2 to Steel Steam Engine.
    - Applied tier-specific icon and entity tinting to upgraded power machines.
    - Migrated custom prototype IDs to the repo-local `aer_` namespace.
    - Reorganized prototype definitions into power-system folders with shallow lifecycle entrypoints.
    - Added rubber-lined boilers and steam engines as a production-science stepping-stone tier using plastic and lubricant.
    - Added tiered solar panels and accumulators with late-game Fulgora and Aquilo progression.
    - Added the power footprint benchmark covering solar, steam, nuclear, and fusion power lines.
    - Expanded nuclear progression with named reactor, heat exchanger, heat pipe, and steam turbine upgrade lines.
    - Added Promethium fusion reactor and generator upgrades as separate late-game technology tracks.

Version: 0.0.2
Date: 2025.04.17
  Bugfixes:
    - Fixed a launch bug when the Power Overload mod wasn't present.

Version: 0.0.1
Date: 2025.04.14
  Features:
    - Initial release.