The few most recent changelogs will be listed here in case you'd like to see what has been changed across the latest versions of MCA.
MCA 5.3.1 - 1.12.x
MAJOR: This release of MCA is compatible with 1.12 through 1.12.2!
Feature: You can now specify MCA's language when it is running on a server from its configuration options.
Feature: Translations for Arabic, Chinese, Finnish, French, German, Italian, Japanese, Korean, Maltese, Portuguese, Russian, Spanish, Swedish, and Turkish have been added.
Change: Grim Reaper fight has been tweaked slightly to remain fair. If you do not attack while he is blocking, he will teleport away instead of attacking you.
Fix: MCA now starts properly on dedicated servers.
Fix: Crashes while using the Villager Editor should no longer occur.
Fix: "Invalid book tag" error on the relationships guide.
Fix: Crashes relating to mods using FakePlayers (such as CoFH mods) should no longer occur.
Fix: Rose Gold and Villager Spawner textures were not appearing.
Fix: Sometimes you were marked as married at the beginning of the game.
Fix: Modified female bodies were not rendered properly.
MCA 5.3.0 - 1.12
MAJOR: It's been a long, long time. We're back on track, and updated to 1.12! We would like to take this opportunity to mention that, from here on out, we will only be updating MCA for the latest RECOMMENDED version of Minecraft per the Minecraft Forge website.
Feature: Guide Books! These can be found in creative mode, from dungeon loot, or as gifts from villagers. Each guide explains a gameplay feature in MCA.
Feature: A villager's memory of you is now based on your UUID, meaning that if you change your name in Minecraft no progress will be lost.
Feature: Tooltips added to several of MCA's items.
Feature: A villager's health is now displayed as hearts above their head.
Feature: Beets were added to Farming.
Change: Villager beds are no longer required. Villagers can use all normal beds now.
Change: 9 gold dust now crafts 1 gold nugget.
Change: The Grim Reaper now heals every 3 minutes and 30 seconds, instead of 2 minutes and 30 seconds.
Change: The Grim Reaper's damage is now based on difficulty, dealing 5.75 points of damage on easy, doubling on normal, and tripling on hard.
Fix: %PlayerName% errors will no longer appear if you continue playing wihtout using the Crystal Ball.
Removed: Needle - You now craft the needle and string directly.
Removed: This release does not include translations. We will be working to get those back in as soon as possible.
MCA 5.2.3 - 1.10.2
Fix: Villagers will now properly regenerate their max health (courtesy of SilentChaos512).
Fix: Crash when placing a memorial item will no longer occur (courtesy of bloodmc).
Fix: Additional crash when dropping a baby has been fixed (courtesy of bloodmc).
MCA 5.2.2 - 1.7.10 and 1.10.2
Change: RadixCore v2.1.2 is now required.
Change: Villagers will now build mines from the top down.
Fix: Crash when villagers take damage with villager overwriting turned off has been fixed.
Fix: Crash while dropping a baby has been fixed.
Fix: Occasional crash caused by story progression on servers has been fixed.
Fix: Crash when using Extra Utilities' Peaceful Table on a villager has been fixed.
Fix (1.10.2): Villagers now properly sleep in their beds.
Fix (1.10.2): Family members no longer drop an extra memorial item.
Fix (1.10.2): Memorial blocks no longer drop a useless item that causes crashing.
Fix (1.10.2): Fence gate placed while mining now faces the right direction.
MCA 5.2.1 - 1.7.10 and 1.10.2
Fix: Crash when attacking creatures with villager overriding off.
Fix: Crash when looking at memorial objects or tombstones.
Fix: Crash when loading a save where a villager is fishing.
Fix: Crash when loading existing worlds up.
Fix: Potential crash with mods that cause actions on right-clicking.
Fix: Interaction dialogue will no longer open if another mod's GUI opens before it.
Fix: Crash no longer occurs when using the whistle in SMP.
Fix: Crash when using Special -> Check Happiness no longer occurs.
Fix: Family members will now use melee weapons.
Fix: Farmers no longer replant a melon stem when harvesting melons.
MCA 5.2.0 - 1.7.10 | 1.8.9 | 1.9 | 1.9.4 | 1.10.2
MAJOR-CHANGE: MCA now uses a different system for remembering players' progress. It will attempt to convert your progress as you log on. Check your server/client console to see if the conversion succeeded, or for instructions if it did not.
MAJOR-FIX: All identity confusion and other oddities on LAN should now be fixed, for good!
Feature: Thousands of new names, courtesy of AndreAssassins.
Feature: Parent labels for children of same-sex couples now show the correct gender.
Feature: No more Mojang-based movement AI! Fixes several issues with villager AI. (Probably creates some as well.)
Feature: Your spouse will now end the marriage if their hearts remain negative for too long.
Feature: Added a configuration option to enable structure spawning on dedicated servers.
Feature: Children are now properly labelled as "the Child", and adults with no profession are labelled as "the Villager".
Feature: Added fishing chore.
Feature: Whistle now brings up a list of family members you can call.
Feature: You are now properly alerted when your children or spouse dies.
Feature: Added Warrior profession.
Feature: Revamped hiring system, allowing you to hire villagers for hours or even days, extend their contract, or dismiss them early.
Feature: Added combat AI, allowing the ability to configure villagers' combat behavior.
Feature: Villagers related to you now drop a special item in a chest when they die, which can be used to bring them back to life!
Feature: Added new, unique boss - the Grim Reaper. Defeat him to receive the Staff of Life, used to revive dead villagers.
Feature: Added the ability to become a Baron or Baroness, provided your villagers are happy. Barons/Baronesses can tax their villagers.
Change: If your spouse is a priest or cleric, you can no longer use their special abilities. Other players still can.
Change: Guards can no longer be hired. Hire warriors instead.
Fix: Priests now properly tell you that you're not married when appropriate.
Fix: Added a fix for click-throughs on the main interaction GUI.
Fix: Existing guards are no longer counted when spawning more guards.
Fix: Married guards no longer stop patrolling.
Fix: The possibility of more than one villager appearing from one cured zombie has been fixed.
Fix: Closed spaces in family house roof where mobs could spawn.
Fix: Villagers had stopped blinking.
Fix: Infected villagers no longer bite a player in creative mode.
Fix: Overlapping "Infected" popup on adult children has been moved.
Fix: Humans' bounding boxes now properly grow when needed.
Fix: Resolved lag caused by a guard's patrolling AI.
Fix: Issue where children wouldn't harvest specific crops has been fixed.
Fix: Malformed response when instructing a child to farm has been fixed.
Fix: Trade progression issues on 1.8.9 have been fixed.
Fix: Gravestones no longer damage creatures walking through them.
Fix: Some odd looking villager models have been fixed on 1.9+.
MCA 5.1.3 - 1.9
Fix: Previous villager trade fix by Awkanic is now verified as working.
MCA 5.1.2 - 1.7.10 and 1.8.9
Feature: Translations have been updated.
Change: Clarified the additional gift item configuration setting.
Fix: Crash when telling children to farm on servers no longer occurs.
Fix: Graphics issue while holding babies no longer occurs.
Fix: Married guards will no longer patrol at night.
Fix: The Minecraft client no longer crashes if a player is kicked from the server while using a crystal ball.
Fix: Potential for despawning villagers while using other mods should stop.
Fix: Crash related to zombie infections should no longer occur.
Fix: Model loading error on the tombstone will no longer appear.
Fix (1.8.9): Villager trades will now level up properly.
MCA 18.104.22.168-1.7.10 and 1.8
Fix: Infected children will no longer grow up when attempting to cure the infection.
Fix: Removed the limit on interactions, no more villagers stuck with "This villager is being interacted with."
MCA 22.214.171.124-1.8 and 1.7.10
Feature: You can now disable the dimension whitelist and enable spawning in all dimensions in the config.
Fix (1.8): Rejoice! Crashing will no longer occur when using existing worlds after installing MCA.
Fix (1.8): Armor now appears properly on villagers.
Fix: An exploit that allowed players to spawn structures on a server has been patched.
Fix: Villagers will no longer defend themselves while remaining asleep.
Fix: Children now render correctly when riding horses.
Technical: Fixed performance issue caused by sleeping AI. Server performance should be improved.
All features, changes, and fixes from 1.7.10 with the exception of the ability to apply a player's skin to a villager.
Feature: Added ability to enable/disable structure spawning.
Feature: Updated translations.
Fix: Villager guards now account for armor on others.
Fix: Engagement gifts were only retrievable from your spouse.
Fix: It was possible for your spouse to be stuck holding a baby when you marry them.
Fix: Possible crash while ending a marriage has been fixed.
Fix: All item icons now display correctly.
Fix: Villagers in an arranged marriage had the chance of getting married to someone else due to story progression.
Technical: MCA is now built on the latest recommended version of 1.7.10 Forge