Changelog

Version 0.6.2
Date: 2026-09-06
  Changes:
    - Moved item and technology badges from bottom-right to bottom-left to avoid overlapping Factorio's stack-size badge. Fluid badges stay bottom-right (fluids have no stack badge).

Version 0.6.1
Date: 2026-09-06
  Changes:
    - Version bump only (no functional changes).

Version 0.6.0
Date: 2026-09-06
  Features:
    - Three new estradiol esters alongside enanthate: Valerate (C5, short-acting), Cypionate (ring-structured C8, rides slightly longer than enanthate) and Undecylate (C11, ultra-long castor depot).
    - Every new ester is compounded into MCT Oil and Castor Oil vials and dose kits (6 new dose variants), following the existing carrier tradeoff: MCT heals 100 with the full-strength speed boost, castor heals 200 at half strength for half the time.
    - The ester sets the buff clock at full strength: valerate 60 s, enanthate 120 s, cypionate 150 s, undecylate 300 s.
    - New reagents: valeric, cypionic, undecylenic and undecylic acids, their acyl chlorides, and methyl ester byproducts that crack back into methanol plus the parent acid, mirroring the enanthate recycle loop.
    - Undecylic acid starts from a realistic castor oil pyrolysis route (ricinoleic split into undecylenic acid, then hydrogenation).
    - Two new technologies: Ester Diversification (valerate + cypionate) and Long-Acting Depot Esters (undecylate).
    - Icon scheme: shared artwork keeps its natural colour (all these esters and fatty reagents are white or colorless in reality) and is differentiated by a small bottom-right badge — a single ester letter (E/V/C/U) on the estradiol esters, carbon-count shorthand on the fatty reagents (C5/C7/C8/C11/C11:1 acids, C#Cl acyl chlorides, C#Me methyl esters) and on the two new tech icons (V/C and U). Generated by tools/icon maker/ester-badges.py.
  Changes:
    - Fixed "Estradiol Ethanate" typos in the four compounding/kit recipe names (now "Estradiol Enanthate").
    - Every item, fluid and capsule now references its own icon file: shared vial, dose kit and methyl-ester artwork was copied to per-prototype files (e.g. estradiol-enanthate-vial-mct-oil.png) so each can be edited independently.
    - Added tools/validate.py: executes the whole data stage in a headless Lua VM and cross-checks recipes, unlocks, icons and locale in both yield profiles.

Version 0.5.0
Date: 2026-09-06
  Features:
    - New startup setting "Realistic Crafting Ratios (Extra Harsh)": opt-in yields anchored tighter to real-world chemistry, about 3.5x more raw materials per dose than the forgiving default (leaner sterol extraction, weaker fermentation conversion, 60% recrystallization recovery). Requires a restart when changed.
  Changes:
    - The mod is now licensed under the GNU General Public License v3.0 (see the LICENSE file).
    - Tech tree reworked: the estrogen branch now grows directly out of Chemical Science Pack (dropped the Advanced Material Processing 2, Oil Processing and Advanced Oil Processing prerequisites; Organic Esters & Solvents now also requires Lubricant, which its castor-oil route consumes).
  Balancing:
    - Reviewed every recipe against real-world chemistry and lowered yields; the default profile is ~3x more raw-material-hungry per dose than 0.4.0. Highlights: phytosterol extraction 2 -> 1 sterol per 10 wood, microbial degradation 5 -> 4, castor refining 15 -> 10, both oxidative cleavages trimmed, MCT synthesis 15 -> 10, pyridine synthesis 10 -> 5, potassium carbonate 10 -> 5, recrystallization 1:1 -> 5:4 (80% recovery).
    - Diester Formation now uses the stoichiometrically correct 2 equivalents of pyridine base (two esterifications release two HCl).
    - Vial compounding now uses ~10 mL of carrier oil per vial (20 oil per 2 vials).
    - Glass vial molding costs 2 stone per 2 vials; syringes cost 2 plastic per 2.
    - Machine ratios cleaned up so production lines chain into small integers (10:1 extraction:degradation, 5:2 degradation:aromatization, 4:1 chlorination:diester, 10:1 hydrolysis:recrystallization).

Version 0.4.0
Date: 2026-09-06
  Features:
    - Replaced all placeholder doodle art with real icons: all 19 items now have proper artwork with correct 120x64 mipmap strips.
    - Dedicated icon for finished dose kits (vial + syringe + alcohol wipe combined); EEn vials keep the vial photo.
  Changes:
    - Refreshed item-group and all 4 technology icons.
    - Added tools/icon maker: double-clickable scripts that turn source images into Factorio-ready mipmap strips (items 120x64, item groups 192x128, technologies 480x256).
    - Removed bundled example mods from the repository.

Version 0.3.0
Date: 2026-09-05
  Features:
    - Estradiol Enanthate can now be suspended in MCT Oil or Castor Oil: two finished-vial and dose variants replace the generic carrier oil route.
    - MCT Oil dose: heals 100 and grants the full temporary speed boost for 120 seconds.
    - Castor Oil dose: heals 200 but grants only a half-strength speed boost for 60 seconds.
  Changes:
    - Removed the Refined Carrier Oil fluid and its synthesis recipe; Sterile Vial Compounding and Dose Kit Assembly are split into MCT and Castor Oil variants.
  Bugfixes:
    - Fixed permanent speed-buff residue from stacking doses; re-dosing now refreshes the buff instead.
    - Organic Esters & Solvents no longer attempts to unlock the nonexistent 'oxidative-cleavage' recipe (now castor-oxidative-cleavage).

Version 0.2.4
Date: 2026-09-05
  Features:
    - Selective Hydrolysis now yields Methyl Enanthate as a byproduct instead of water.
    - Added Hydrolytic Cracking: splits Methyl Enanthate into Methanol and Heptanoic Acid (enanthic acid) using 165°C+ steam.
    - Added Enanthic Acid Reforming: converts Heptanoic Acid into Light Oil using Sulfuric Acid as a catalyst (recovered on output).
    - Both new recipes unlock with Steroid Esterification and reject productivity modules to prevent methanol recycle-loop exploits.

Version 0.2.3
Date: 2026-09-05
  Bugfixes:
    - Fixed missing commas in ingredients and results tables across all 17 recipes in recipes.lua (caused Lua syntax errors).
    - Fixed missing commas in effects arrays across all 4 technologies in technologies.lua.
    - Added missing subgroup field to mct-oil fluid definition in fluids.lua.
    - Fixed inconsistent indentation in info.json and fluids.lua.

Version 0.2.2
Date: 2026-09-05
  Features:
    - Added MCT Oil parallel processing path alongside the existing castor oil route.
    - Castor oil route retained (heavy oil + lubricant); MCT synthesis uses heavy oil + steam.
    - Added MCT Oxidative Cleavage recipe; both cleavage paths converge to heptanoic acid.
    - New mct-oil fluid and recipe icons.

Version 0.2.1
Date: 2026-09-05
  Features:
    - Added dedicated HRT Production inventory tab with 5 classified subgroups
    - All mod items, fluids, and recipes reorganized under the new tab
    - Added item-group icon and locale entry

Version: 0.2.0
Date: 2026-09-05
  Features:
    - Complete rewrite: removed ore, added full chemical synthesis chain.
    - 12 chemical intermediates across 3 phases.
    - 4 medical supplies (vial, syringe, alcohol pad, dose kit).
    - 15 recipes using chemical plants and assemblers.
    - 4 technology tiers.
    - HRT buff system with configurable strength.
    - Space Age compatibility (conditional loading).

Version: 0.1.1
Date: 2026-09-05
  Bugfixes:
    - Fixed missing icon on aromatization recipe.
    - Fixed missing icons on all custom recipes.
  Changes:
    - Renamed hrt-dose to estradiol-solution.
    - Changed estradiol-formulation recipe to use iron plate instead of copper plate.
    - Ore now spawns like uranium but with slightly smaller patches.
    - Removed transcendence science pack (simplified to consumable-only end product).
    - Removed female character sprites from active mod.

Version: 0.1.0
Date: 2026-09-05
  Features:
    - Initial release.
    - Added Phyto-Sterolium Ore resource with autoplace.
    - Added Mevalonate Solution fluid.
    - Added Sterol Dust, Estradiol Crystals, Estradiol Solution, and Transcendence Science Pack items.
    - Added 5 recipes across smelting, chemistry, and crafting.
    - Added 4 technologies including infinite Self-Actualization research.
    - Added optional female player character sprites.
    - Added HRT buff system with configurable strength.
    - Added mod settings for toggling features.