The change log for every patch the developers release for BG:EE—starting from v. 1.0.2008—will be featured within this thread for your reference and perusal. This will also assist in keeping track of features that have been implemented, and bugs that have been fixed.
As this is meant to be a quick reference tool, the thread will be closed and won't allow for discussion; hence, you may want to keep discussing new features, or posing related queries, in the aforelinked List Of Things That Have Been Announced.
CURRENT VERSION: v1.0.2014
Released: 22.02.2013
Crash Fixes
Fixed crash when entering NW Baldur's Gate
Force recruiting certain creatures no longer causes crash
Fixed crashes related to improper animations
Features
Five new class kits: Dwarven Defender, Shadowdancer, Dragon Disciple, Dark Moon Monk and Sun Soul Monk
Item charges now displayed inside the inventory
Auto-pause enabled on map screen
Items appear over character portraits when used
Store items which the player can't afford are greyed out
Players able to raise each other at temples (Multiplayer)
Journal entries may now be edited
Notes may now be copied to the journal
Various minor UI fixes
Bug Fixes
Attacks per round fixed
Zoom no longer resets to default when transitioning areas
Instant move command after character selection functions properly
Item cost not appearing for certain system locales has been resolved
Issue with older Journal entries has been fixed
Defensive spin now functions properly
Initiating dialogue no longer forces player to leave store menu (Multiplayer)
Fixed issue with secret NPC not spawning
Secret NPC now changes party's reputation
Negative hit-points after familiar death bug fixed
Positional audio functioning properly
Multi-Class Thief abilities always available
Druid shape-shifting AC exploit no longer possible
Recharging items inside of bag exploit removed
Changed merchant interactions in The Black Pits
Unidentified items no longer have visual artifacts
Multiplayer Black Pits save to the correct location
Amnish Soldiers no longer murder each other
Better scroll wheel functionality
Neera's portrait issue fixed
Number of stacked items will no longer disappear when moved
Dwarf minimum dexterity and charisma changed
Off-hand weapon now properly displayed
Halberd damage type changed to Piercing or Slashing
Potion of Mind Focusing now shows the proper effects
Coran will no longer leave the party when his quest has been completed
Various improvments to Gullykin
All protection scrolls require an identify
Now able to enter Nashkel Mines if guards are murdered
Improved Mage and Cleric AI scripts
Certain spells no longer expire after saving/loading
Enter on the number pad advances dialogue
Najim no longer able to turn hostile (Black Pits)
Fixed Yeslick joining/leaving issues
Shop of Silence now accepts certain fenced goods
Nobles in Winthrop's tavern may now be robbed
The Stupefier +1 properly stuns opponent and has new animation
Wild surge no longer possible on expiring polymorph
Certain wild surge properly destroys gold on enemy
Davaeorn's voiced lines added
Chaotic Commands and Champions Strength require an intelligence of 9 or greater
Fixed Friendly Arm door graphic
No more wands with 0 charges
No longer able to add notes to Quick Items slot
Garrick may now be properly charmed
May now purchase drinks from Ulgoth's Beard Inn
Ranger kits begin with the correct stealth points
Familiar's attack icons added
Casting speed for Death Ward, Earthquake and Wraithform have been changed
Wiven encounter can no longer be missed
Ciril's overhead text more visible (Black Pits)
Character Generator biography bug has been fixed
Trap in Ice Cave now functions properly
Grease no longer turns summons hostile
Skie is now treated properly in her residence
Firebead's Beregost quest has been touched up
Various interactions with charmed characters improved
Interaction with Mulahey has been improved
Interaction with Narlen has been improved
Interaction with Mr.Colquetle has been improved
Interaction with Tranzig has been improved
Interaction with Louise and Laerta have been improved
Interaction with Be'land has been improved
Interaction with Jorin has been improved
Interaction with Kelddath has been improved
Interaction with Resar has been improved
Interaction with Silence has been improved
Interaction with Perdue has been improved
Interaction with Might Kahrk has been improved
Interaction with Raiken has been improved
Interaction with Farmer Brun has been improved
Interaction with Brevlik has been improved
Interaction with Jamie and Samantha has been improved
Interaction with Felonius Gist has been improved
Interaction with Ignot has been improved
Neera's romance will always be completable
Dorn and Neera's encounter always accessible
Poison no longer removes a mirror image but does damage
The Iron Thorn no longer usable by Wizard Slayers
Rasaad will defend Nashkel from enemies
Deafness removed after each round (Black Pits)
Night Club +1 correctly changes THAC0 at night
No longer able to freely loot SW Baldur's Gate General Store
Some armor no longer equipable in player's off-hand
Chesley Crusher now limits character's ApR
Bardolan will no longer attack Rasaad during a ruskus
Fixed ambient sounds in Beregost
Bolt of Lightning sound effect added
Adjusted the Thief 4 script
Gender now properly identified during character creation
E Baldur's Gate music has been corrected
Audio levels adjusted for coronation scene
Male5 audio levels have been adjusted
Edwin's voiced warning has been touched up
Jasper/Bassano voice set issues fixed
Tranzig's voiced lines have been readjusted
Correct music played in Sunin's residence
Remove Paralysis icon has been corrected
Fixed inaccessible containers in Durlag's Tower
Laurel will help fight the gibberling horde
Knott will no longer leave his tent
Flind and Gnolls will react to looting
Certain bodies will not dissappear
Ring of Fire control now functions properly
The Ossifier's colour has been fixed
Fixed bug with Sorrem not allowing Rasaad's quest to be completed
Error in Rasaad's dialogue has been corrected
Guards in Candlekeep may always be bribed
Magic resistance icons added to proper characters
Sparring Dummies are not longer hostile
Certain magical items need to be identified
Bats now take up less space
Wild surge gender swap improved
Yago will no longer leave his room
Wand of cloudkill no longer bypasses magical resistance
Incorrect proficiencies in tutorial have been fixed
Reputation requirement lowered for interaction with Bellamy
Race changed for certain NPCs
Fixed issue with Dorn's dialogue
Hide Armor and Elven Chain Mail now have HiS penalty
All of Bassilus's allies will perish
Most Ogre Magi now wield katanas
Fixed issue with Cleric/Thief Multi-Class
Proper weapon break sound effect added
Kossled removed after player reaches Friendly Arm Inn
Lore and price added to Ossifier and Gold Digger
Thieves' Guild will only ask for the password once
Black Liily's attack script added
Hobgoblin in Fisherman's Lake now initiates dialogue and may give XP
Added run scripts to some innocents around Baldur's Gate
New icons for Mysterious Liquid and Marek's Potion
Dialogue bar no longer resets size after reformation of party
Tweaks to spell animations
Added page number to Help screen
Fixed icon for North-east Baldur's Gate
Added missing fish animations
Quest/Journal log fixes
Various usability modifications
Various item descriptions/images have been fixed
v1.0.2012 (Update #6)
Spoiler:
Crash Fixes
Improved multiplayer stability
Fixed Black Pits sword crash
Fixed crash when manipulating portrait files
Features
Damage notifications change colour depending on type of damage done
Option to turn off coloured player circles (enables original green circles)
Added roll total to ability screen when creating a new character
Elven Chain Mail now obtainable
Yeslick may rejoin the party in Jopalin's Tavern
Black Lily purchases stolen goods
UI improvements
Bug Fixes
Resolved random respawns occurring too often
Stat modifications for unidentified items now appear
Issue with Baeloth not returning solved (Black Pits)
Bounty Hunter class gains proper skill points
Eldoth and Skie removing and joining problem solved
Fixed issue with certain spell portrait icons not being removed
Officer Vai will only purchase bandit scalps
Scroll case capacity increased
Improved chatbar (Multiplayer)
Issue with gender dialogue is now proper
Nashkel movie will play instantly
Fixed Yeslick infinite dialogue loop
Selling infinite wolf pelt to Nashkel store glitch removed
Lothander and Marek's antidote will never vanish
Drizzt doesn't run away from gnoll battle
Shapeshifted spider no longer held in webs
Player will no longer have guards summoned when near previously opened containers
Archers and Druids may now equip Ankheg Plate Mail
Characters speak to the player more quickly in tutorial
Characters respond appropriately during Obe's Combat tutorial
Charmed NPCs will give the player their promised gifts
Lightmap for Kagain's shop has been updated
Cat familiar now has an attack
Imp familiar polymorphing to orge and back works
Wand of Polymorphing's range has been increased
Improved Aldeth's Merchant League quest
Simmeon now gives XP
Some weapons not flagged as magical now are
Casson's body quest has been touched up
Resolved issue with Kivan leaving the party
Characters with strength less than 5 are now able to complete the tutorial
Monks now able to complete the tutorial
Music restored to the Friendly Arm Inn
Commoners in Beregost and Nashkel say proper lines after Chapter 2
Spider body will not disappear (Landrin's quest)
Missing Citizens quest has been polished
Issues with Elkart's ransom money have been resolved
Tersus will turn hostile if robbed
Tiax now properly summons Ghasts
Tiber will take his brother's body
Quiver/Case of Plenty now give proper damage bonus
History of the Nether Scrolls no longer sellable
Issue with Ring of Free Action not properly effecting mobility
Emerson no longer constantly updates player's journal
Imoen responds correctly to changes in reputation
Fixed sound sets of Tessilan, Faltis and Glayde
Removed intelligence limit on certain miscellaneous items
Sorcerous Sundries accessible without force selling of nymph hair
Added an auto-save right before the opening cutscene (Black Pits)
Correct rest movie is played in Adoy's Enclave
Adoy's area is now correctly placed/coloured on map
Ambient noises can now be heard in Adoy's Enclave
Farmer Brun no longer takes more than one item
Euric no longer takes more than one item
Contagion spell now casts properly
Fixed Branwen refusing to join party when declined at first
Issue with drinkable quest items has been resolved
Wizard Slayer and Beastmaster class have more weapon restrictions
Amnish Soldiers guarding Nashkel Mine have been modified
Gandolar voiced lines added/improved interaction
Delsvirftanyon voiced lines added
Interaction with Drunk has been improved
Interaction with Bellamy has been improved
Interaction with Kerrachus has been improved
Interaction with Phandalyn has been improved
Interaction with Zecke has been improved
Interaction with Grael has been improved
Interaction with Pang Wallen has been improved
Interaction with Kirinhale has been improved
Problem with Scar's character model dissapearing fixed
Increased text size of weight allowed in inventory
Dorn's starting XP and HP have been increased
Fixed exploit allowing Dorn to receive THAC0 bonus
Only Dorn may receive THAC0 bonus from Rancor +1
Fixed exploit with Single-Weapon Style
Looping dialogue with Neera after Meklin encounter fixed
Spawning issue with Neera's initial encounter
World's Edge now glows
Characters in Obey's tutorial no longer have BG1 proficiency distributions
Longbow +2 and Composite Longbow +2 now give proper damage
All slings not usable by Kensai and Cavalier
Balanced certain pre-generated character's proficiency distribution
Fixed issue with some items not needing to be identified
Monks and Kensai are no longer able to equip shields
Prism and Greywolf's voiced lines added
Chaos Shield now has description when cast
Ring of Acuity/Captive Audience no longer equip-able by Monk
Treacle's gender no longer in question (Black Pits)
Travelling to other areas in Archaeological Site touched up
Fixed Enchanted Weapon Enchantment/Charm
Fixed issue with certain items playing the incorrect sound
The Vampires Revenge now has the correct effects
Tenya dialogue issues have been corrected
Bassilus's voiced line now plays
Issue with certain classes wearing armor (Tutorial)
Various item descriptions/images have been fixed
Various container and door highlights have been readjusted
Quest/Journal log fixes
v.1.0.2011 (Update #5)
Spoiler:
Crash Fixes
Fixed crash when changing areas
Fixed crash when clicking outside of the map
Features
New movie for resting in dungeon and inn
Adjusted introduction video due to customer feedback and Coriander's threats of violence (You may have thought that complaining about the Nietzsche quote was pointless...)
Various UI screens touched up
Bug Fixes
Thieves and bards XP cap has been modified
Monks and clerics XP cap has been modified (Black Pits)
Quest/Journal log fixes
Damage Modifier display has been retooled
Taerom no longer drops Ankheg Shells
Fixed issues with Dorn's dialogue and alignment
Fixed issues with Neera's dialogue
Neera's encounter with Edwin has been touched up
Minsc joining issues have been resolved
Switching to default soundset works
Quasit Familiar can now cast blur
Trolls in Cloud Peaks now give XP
Kryll's skeletons now give XP
Wild Surge text has been corrected
Auto-save date and time error resolved
Delainy/Durlyle flower quest has been fixed
Some items now show the proper ground icons
Silke responds correctly to player's actions
Red Sheaf Inn displays the proper rumors
Gnoll duel works correctly
Summoning Flame Blades no longer causes a penalty
Killing Dorn before his encounter has been fixed
The Great Gazib will no longer spawn more than one orge
Algernon and Nimbul's dialogue issues fixed
Reevor's quest can always be completed
Jospeh's Ring quest is now completable
Certain area lightmaps have been updated
No reputation loss when fighting certain characters
Detect Evil's description has been corrected
Creatures decreased in South Beregost Road's cave
Tutorial items no longer sellable when exported to main game
Shandalar's Cloak no longer equip-able by monks
Certain quest items can no longer be pick-pocketed
Interaction with Shaella has been improved
Phlydia speaks the proper lines after her quest
Marl will approach player even after resting
Coran takes player's NPC Reaction into account and join level modified
Cursed Ring of Slight Monsterism now changes character's appearance to zombie
Nadarin's quest now pays the corrects amount of gold
v.1.0.2010 (Update #4)
Spoiler:
Improved Creature spawn system
Large multiplayer bugfix
Journal entry fix
Fixed for zoomed out and click out of bounds crash
Custom portrait in multiplayer game fix
Numerous UI fixes
Farsight scroll fix
Obe combat tutorial fix
v.1.0.2009b (Update #3)
Spoiler:
A series of memory leaks have been fixed.
Speed improvements for some Intel Integrated Graphics chipsets.
Fixed a crash when customizing a character.
Fixed a crash when using a quick slot.
Dorn and Neera no longer remain invincible in certain circumstances.
XP is now given for slaying Ice Trolls in The Cloud Peaks.
A variety of typos have been found and fixed.
Rasaad's quest no longer contains accidental spoilers.
The Stupefier +1 now shows the proper icon.
v.1.0.2009a (Update #2)
Spoiler:
Crash Fixes:
Multiplayer connecting to non-host bug fixed
Fixed Right click map crash bug
Crash reporting has been improved
Fixed crash for OpenGL drivers that don't support compression
Text/Localization Fixes:
Fixed Neera dialogue problem with Edwin in party
Fixed Rasaad dialog loop
Updates to English, French, German text
Fixed Dorn looping dialogue problem
Fixed Neera and Rasaad item descriptions
Bastard sword strength requirement description updated to 11
Help tooltip says 'Help' instead of 'Rest'
Fix for Half-Orc Biography
Added or Improved/Fixed Features:
Version # now displays on main screen
Added support for 'Program Options', 'Maximum Frame Rate'