This is a brief summary of changes for each build

Retail Build 12.54
Dugi Addon
* Fixed Objective Tracker bug
* Fixed AntTrail bug

Classic Era Build 1.95
Dugi Addon
* Fixed Merge Arrow error
* Fixed Missing Icon arrow
* Fixed Waypoint on the Minimap visibility

Retail Build 12.50
Dugi Addon
* Update for Patch 12.1.0
* Taxi data update for new The Coiled Isle zone
* Fixed TutorialFrames
* Fixed taint bug in instances that prevented updates
* Fixed GetUnitPosition error

Achievement Guides
* New "Island of Fangs" Storyline guide
* New "Ghosts of the Past" Storyline guide
* New "Original Sins" Storyline guide
* New "The Coiled Isle (90+)" side quests guide

Retail Build 12.40
Dugi Addon
* Improved quest step detections
* Improved Auto Quest Accept / Turn in feature
* Taxi error fix
* Loot detection fix
* Partial quest completion detection fix
* Fixed player position bug in Zul'Aman
* Fixed minimap antrail not being removed bug
* FPS improvement when inside instance
* FPS improvement with Ant Trail and Waypoint arrow update
* FPS improvement with Zonemap
* Fixed ObjectiveFrame border updates
* Improved Taxi system calculations
* Taint error improvements

Leveling Guides 
* Lots of fixes and improvements with Midnight leveling guides

Retail Build 12.32
Event Guides
* New "Midsummer Festival Midnight (80+)" guide

MoP Classic Build 5.18
Dugi Addon
* Addon update for patch 5.5.4
* Fixed Anchored Mode 
* Fixed Objective Tracker border

Retail Build 12.26
Daily Guide
* New "Void Assaults (Unlock & Weeklies)" guide

Retail Build 12.25
Dugi Addon
* Secret value error taint fixes/improvements


Retail Build 12.18
Achievement Guides
* New "Leaf None Behind"guide
* New "Tallest Tree in the Forest"guide
* New "A Bloody Song"guide
* New "The Ultimate Predator"guide
* New "Eversong Woods (Explore)"guide
* New "Harandard (Explore)"guide
* New "Voidstorm (Explore)"guide
* New "Zul'Aman (Explore)"guide


Retail Build 12.18
Achievement Guides
* Updated "Midnight Campaign (90+ Story)" guide
* New "Midnight: The Highest Peaks" guide
* New "Voidstorm (Treasures of)" guide
* New "Midnight Glyph Hunter) guide

Retail Build 12.16
Dugi Addon
* Fixed Flightmaster for Atal'man zone

Profession Guides
* New Midnight 1-100 profession guides

Dungeon Guides
* New Midnight Dungeon guides

NPC Journal
* New Boss guides for Midnight dungeons

Retail Build 12.12
Dugi Addon
* Improved QuestPOI waypoint from Objective Tracker
* Fixed Taxi System for Housing zones

Leveling Guides
* Added missing quests in "Harandar (83-88)"

Retail Build 12.00
Dugi Addon
* Patch 12.0.0 Midnight addon update

Achievement
* New "The Cult Within" Midnight prepatch guide
* New "Allied Races: Void Elf Demon Hunter" guide

Retail Build 10.41
Dugi Addon
* Fixed Target button position bug

Classic Era Build 1.84
Dugi Addon
* Fixed Target button position bug
* Fixed Target button bug when model viewer is disabled

Classic Era Build 1.83
Dugi Addon
* TOC update
* Fixed Undead quests detection
* Fixed GPSArrow Lua error on login

Retail Build 10.38
Dugi Addon
* Patch 11.2.5 update
* Optimized Gear Advisor to reduce FPS loss

Leveling Guide
* New "Timerunners Legion (10+)"  guide

Retail Build 10.30
Dugi Addon
* Updates for Patch 11.2
* Updated TaxiData for K'aresh Zone
* Improved Waypoint arrow to work with more icons on the WorldMap

Achievement Guides
* New "K'aresh Campaign" zone guide