Breeding and Hungarian

New: added Breeding category for Minecraft 1.10+ versions. Thanks to fabianwennink for his contribution!
Other: added Hungarian translation. Thanks to pocakking for his contribution!

Multiple fixes

Fix: fixed several edge-case calculations for Crafts, Trades, Brewing and Smelting categories.
Fix: fixed some compatibility issues with Minecraft versions prior to 1.9.
Fix: prevented issues when handling configuration files in Minecraft 1.12.

Custom item reward names and firework fix

New: added ability to set custom names to item rewards, thanks to supertassu for his contribution! The custom name also appears in /aach list and when receiving the item. Use a syntax similar to:

Reward:
       Item: stone 5 Beginner Stone

Fix: when several entities are within the explosion radius of a firework launched by Advanced Achievements, all of them are now protected (and not just the closest entity).

New HideAdvancements option and various fixes

New: added HideAdvancements parameter, to hide advancements from the advancement GUI but still get advancement notifications when receiving achievements.

Fix: fixed Brewing category not taking splash potions into account.
Fix: prevented hotbar abuses with Craft achievements.

Fix for Minecraft 1.12

Fix: parent advancement is now properly awarded when a player connects in Minecraft 1.12, provided /aach generate has been used.

Minecraft 1.12 support and exciting new features!

New: implemented /aach generate command, which generates one advancement per achievement on Minecraft 1.12 servers, therefore integrating the achievement and advancement systems! Read the documentation for more information.
New: implemented additional Experience and IncreaseMaxHealth reward types.
New: added HideNoPermissionCategories parameter, to hide categories in /aach list when player does not have the relevant category permission.

Fix: categories with empty names specified in lang.yml are hidden in /aach list as they were prior to version 5.1.
Fix: /aach list now correctly uses the Message parameter once the achievement is received.
Fix: fixed value doubling in /aach stats after performing /aach reload.
Fix: various other fixes to support Minecraft 1.12.

Other: implemented new getPlayersTotalAchievements API method.

Multiple fixes and RestrictAdventure parameter

New: added RestrictAdventure config parameter to prevent any statistics from increasing when in adventure mode.

Fix: fixed Brewing achievements no longer working on Minecraft 1.9+ since last update.
Fix: fixed /aach stats falling out of sync when awarding already received achievements with /aach give.
Fix: prevented various abuses with Firework achievements.
Fix: implemented workaround for CraftBukkit regression imposing a cap size on book pages in recent builds.

Action bar notifications and various improvements

New: implemented ActionBarNotify parameter to notify other connected players using action bars when an achievement is received, instead of the previous chat messages. The ChatNotify parameter no longer has any effect and is replaced by NotifyOtherPlayers.

Improvement: redesigned the /aach reload command, which should now be significantly more reliable and easier to maintain.
Improvement: removed disabled categories from tab auto-completions.
Improvement: enhanced performance.

Fix: fixed empty or water bottle abuses with Brewing achievements.
Fix: several other minor fixes to improve the overall experience.

Minor fixes

Fix: shearing renamed sheep now counts towards Shear achievements.
Fix: fixed exceptions when enabling SimplifiedReception on Minecraft versions prior to 1.9.

Various fixes

Improvement: enhanced performance.

Fix: blocked some additional abuses with Fertilising achievements.
Fix: corrected default permissions for PlayerCommands achievements.
Fix: fixed some data consistency issues and minor memory leaks. For servers running a MySQL or PostrgreSQL database shared between several servers, it is recommended to lower the value of PooledRequestsTaskInterval to 10.