1.1 - Day One Edit
Bug fixes Edit
General optimizations related to stability and performance.
Essential followers recover properly if player fast travels away.
Fixed rare instances of dragons flying improperly though objects after player exits an interior.
Fixed rare instance where the music track would stop playing properly.
Autosave message properly displays when going through a load door.
The fifth level of the Light Fingers perk correctly calculates the Pickpocket skill bonus.
Enchanting an item to improve the Sneak skill properly calculates the bonus to the player's Sneak skill.
Enchanting an item to improve the Lockpick skill properly calculates the bonus to the player's Lockpick skill.
Corpus Enchanter perk properly calculates bonuses to stats for the player’s new enchantments.
Quest fixes Edit
1.2 - November 28th, 2011  Edit
Fixed issue where projectiles did not properly fade away
Fixed occasional issue where a guest would arrive to the player's wedding dead
Dragon corpses now clean up properly
Fixed rare issue where dragons would not attack
Fixed rare Characters sleeping animation bug
Fixed rare issue with dead corpses being cleared up prematurely
Skeleton Key will now work properly if player has no lockpicks in their inventory
Fixed rare issue with renaming enchanted weapons and armor
Fixed rare issue with dragons not properly giving souls after death
PC ESC button can now be used to exit menus
PC Fixed occasional mouse sensitivity issues
PC General functionality fixes related to remapping buttons and controls
PC Fixed crash on startup when audio is set to sample rate other than 44100Hz
360 Fixed issue where textures would not properly upgrade when installed to drive
PS3 Improved occasional performance issues resulting from long term play
This patch introduced multiple bugs such as dragons flying backwards and broken magic resistances/weaknesses later fixed in the 1.3 patch. (see talk page)
1.3 - December 7th, 2011  Edit
General stability improvements
Fixed Radiant Story incorrectly filling certain roles
Fixed magic resistances not calculating properly
Fixed issue with placing books on bookshelves inside player purchased homes
Fixed dragon animation issues with saving and loading
Fixed Y-look input to scale correctly with framerate
Removed experience while using the Skeleton Key
PC Optimize performance for Core 2 Duo CPUs
1.4 - January 30th, 2012 (PC) February 09th, 2012 (Xbox 360, PS3)  Edit
Bug fixes Edit
General optimizations for memory and performance
Memory optimizations related to scripting
Fixed crashes related to pathing and AI
Fixed crash in Haemar's Shame if player had already completed “ A Daedra's Best Friend”
Fixed rare crash with loading saved games
Fixed issue with accented characters not displaying properly at the end of a line
Master Criminal achievement/trophy unlocks properly in French, German, Spanish and Italian
Fixed issue where dragon priest masks would not render correctly
Fixed issue where quests would incorrectly progress after reloading a save
Fixed issues with placing and removing books from bookshelves in the player's home
Fixed issue where weapon racks and plaques would not work correctly in player's house if player immediately visits their house before purchasing any furnishing.
Fixed issue where the player house in Windhelm would not clean up properly
Fixed crash related to giant attacks and absorb spells
Fixed issue with ash piles not cleaning up properly
Fixed occasional issue where overwriting an existing save would fail
Fixed memory crash with container menu
Fixed infinite loop with bookshelves
Fixed issue where traps in Shalidor's Maze would not work properly in French, German, Spanish and Italian versions
Fixed issue where transforming back to human from werewolf would occasionally fail
Bows and daggers will display properly when placed on weapon racks
PC Improved compiler optimization settings
PS3 Fixed occasional issue with armor and clothing not displaying properly when placed on mannequins in player's house.
PS3 Long term play optimizations for memory and performance.
Quest fixes Edit
The Unusual Gem inside the Thalmor Embassy is now accessible after finishing “ Diplomatic Immunity”
In “ Breaching Security”, the quest token is no longer required to receive a fortune reading from Olava the Feeble
Fixed issue where Galmar would not complete Joining the Stormcloaks properly if “ Season Unending” was an active quest
Fixed issue where starting “Season Unending” after finishing “Joining the Stormcloaks” would prevent “ The Jagged Crown” from starting properly.
Fixed issue progressing through “ Message to Whiterun” while “Season Unending” was still open would block progression for both quests.
In “ Arniel's Endeavor”, fixed issue where a quest journal would trigger multiple times
In “ Forbidden Legend”, the amulet fragment can no longer disappear after player leaves a dungeon without taking it
Fixed rare issue in “Forbidden Legend” where killing Mikrul Gauldurson while sneaking would make his corpse unaccessible
In “ The White Phial”, the phial can no longer disappear if player leaves dungeon without taking it
“The White Phial” will now start properly if player already has a briar heart in their inventory
Player can no longer get stuck in Misty Grove after completing “ A Night to Remember”
Fixed issue where leaving Riften during “ A Chance Arrangement” would prevent quest from progressing
In “ Darkness Returns”, a door in Twilight Sepulcher will properly open if the player leaves the dungeon for an extended period of time before completing the quest
In “ Under New Management”, if the player leaves the Oculory for an extended period of time after placing the focusing crystal and returns, the quest will proceed correctly
“ Onmund's Request” will now start properly if player has already found Enthir’s staff before receiving this quest
Fixed instance where Tonilia would stop buying stolen items and also would not give Guild Leader Armor
“ Repairing the Phial” will start properly if player already has unmelting snow or mammoth tusk in their inventory
Finding Pantea's Flute before speaking with Pantea no longer prevents her quest from updating
In “The Coming of the Dawn”, fixed rare instance where a quest object would spawn incorrectly on the Katariah during Hail Sithis
Fixed rare issue in “ The Mind of Madness” where player is unable to equip the Wabbajack
Fixed issue in “ Pieces of the Past” where Mehrunes Dagon’s Razor will not trigger properly if player leaves the cell for extended period of time before activating it
“ Blood's Honor” will start properly if you visited and completed Driftshade and an extended period of time passes before starting the quest.
Fixed rare issue where “ Dampened Spirits” would not start properly
Fixed issue where player would be unable to become Thane of Riften if they purchased a home first
Fixed issue where killing guards in Cidhna Mine would block progression for “ No One Escapes Cidhna Mine”
Fixed numerous issues with “ Blood on the Ice” not triggering properly
In “Blood on the Ice”, Calixto can now be killed if player owns a house in Windhelm
In “ The Cure for Madness”, killing Cicero then resurrecting him no longer impedes quest progress
Fixed rare issue in “ To Kill an Empire” where an NPC would fail to die properly
Clearing Knifepoint Ridge before starting “ Boethiah's Champion” no longer prevents quest from starting.
While fixing some major issues in the game, patch 1.4 seems to wreak havoc on quite a few textures in the game such as the Arcane Enchanter, Nightingale Armor, and Attunement Sphere but possesses no known harmful effect on the game itself at this time. This has been confirmed on all platforms.
PC This patch also brought new bugs, such as incorrectly duplicating and replacing items and favoriting bugs, such as having two improved weapons (same level, one-handed, and same name) not being able to be dual wielded if they are favorited, instead automatically unfavoriting one of these weapons when trying to equip both.
1.5 - March 30th, 2012 (PC), April 5th, 2012 (Xbox 360, PS3)  Edit
Bug fixes Edit
PC Starting with 1.5, the patch breaks mods that uses any kind of script, like SKSE or Script Dragon. It is advised to NOT download any mods until Bethesda can make a proper fix.
PS3 Since this patch Shield Charge may stop working completely.
PS3 Although the screen will freeze the instant you are transitioning to "underwater-view", forcing you to restart your system.
This bug is fixed by quitting Skyrim, opening up the game data folder on the XMB and deleting the main "Skyrim" Item AND the game patch (update), This removes both items from your console but keeps all saves and any additional stuff like options intact. When you restart, you will have to re-install the game data and patch, but it is a minor setback to an otherwise potentially game breaking bug.
1.6 - May 24th, 2012 (PC - Beta), June 8th, 2012 (Xbox 360) Edit
New features Edit
Mounted Combat - Skyrim now allows you to do melee and ranged combat while riding a horse
Bug fixes Edit
General stability and memory optimizations
General AI pathfinding optimizations and bug fixes
Optimizations and crash fixes for data leaks
Fixed rare crash with lighting
Fixed crashes related to loading and saving games
Fixed crash with summoned creatures/NPCs
Fixed rare issue where saves would be corrupted
Improved logic for when ranged kill cams are played
Fixed issue with ranged kill cams while killing a dragon
Fixed rare issue with certain ranged kill cams not playing properly
Fixed issue with nirnroot lighting not properly cleaning up
Fixed issue where bow damage was being calculated incorrectly
Fixed rare problem with werewolf kill moves would not finish animating properly
In “ The Break of Dawn” fixed rare issue where Meridia's Beacon would disappear from player’s inventory
Fixed occasional issue where followers would disappear after player pays off a bounty after committing a crime
Fixed issue where certain creatures and NPCs would fail to respawn properly
Fixed rare issue with dialogue subtitles not displaying properly
Fixed issue with water appearing blurry when loading a saved game after creating a save underwater
360 Fixed issue where map cursor would occasionally disappear after closing a message box with Kinect enabled
360 Fixed rare issue with shouts only performing the first level and not other unlocked levels with Kinect enabled
360 Fixed issue where the shout buttons would stop working properly if users mashed LB and RB during cooldown with Kinect enabled
1.7 - July 30th, 2012 (PC)  , August 9th, 2012 (Xbox 360, PS3 in NA)  , August 27th, 2012 (PS3 Worldwide)  Edit
General memory and stability optimizations
Fixed crash related to new water shaders
Fixed rare crash related to dragon landings
Using Vampiric Grip and swimming no longer prevents swimming animation from playing afterwards
360 Fixed logic error with loading screens from add-ons
360 Improved recognition with Kinect voice commands
360 Fixed issue with Dawnguard Kinect-enabled dragon shouts for French, German, Italian and Spanish
PS3 Retroactively applies the previously skipped 1.6 update (Horse combat)
1.8 - November 1, 2012 (PC), November 26, 2012 (Xbox 360, PS3 in NA) Edit
Bug Fixes Edit
General memory and stability improvements
Fixed rare crash when using vampiric grip
Fixed issue where Arnleif and Sons Trading Company could become permanently locked
Fixed issue related to duplicate NPCs
Fixed rare issue where exterior door would not open properly
Fixed issue with horse animations
For PC, if you're on the quest A Cornered Rat, on the quest objective Talk to Esbern, he may not use his voice and you can kind of fix this by turning on subtitles. After he decides to let you in, the door may not open. To fix this, save the game, quit to Desktop, relaunch the game, go back to the save and he should open the door. He still may not use his voice though. After speaking to him, he may scramble around for a few things. Do not worry though, if he is searching in his chest, exit the warrens, come back and make sure he is scrambling for something on his table. Proceed to talk to him and tell him that you and he must move.
1.9 (Xbox 360 and PlayStation 3) April 21st, 2013 (PC) March 20  Edit
New features Edit
Legendary difficulty setting
Legendary Skills – Skills of 100 can be made Legendary. This will reset the skill to 15, return its Perks and allow the skill to affect leveling again. This effectively removes the overall level cap.
Bug fixes Edit
General memory and stability improvements
Fixed issue with quest scripts that were not shutting down properly
Companions will equip better weapons and armor if given to them
Fixed rare issue where player is unable to learn the Clear Skies shout during “ The Throat of the World”
Fixed rare instance where Alduin would become invincible during “ Alduin's Bane”
Fixed a rare issue where player could become stuck in Night Mother’s coffin during “ Death Incarnate”
Fixed rare issue where protected companions could be killed from poison damage
Fixed rare issue with certain ash piles left from resurrected NPCs not clearing properly
Fixed rare issue with NPCs and creatures respawning improperly after player fast travels
Fixed rare crash when entering Dark Brotherhood Sanctuary
Fixed rare crash when entering a player owned home
Random dragon attacks will no longer occur during “ Battle for Whiterun”
Fixed a rare crash when attempting to save your game during “ Waking Nightmare”
Fixed issue where “ Glory of the Dead” would not start properly if player is in combat with Eorlund Gray-Mane
The white phial is no longer consumed if given to a follower
If player marries Aela, the “ Totem of Hircine” quest will be available
Unused briar hearts can be dropped after finishing “ The White Phial”
Fixed issue with paying off a crime against the Companions that prevented player from getting Companions quests properly
Thieves Guild caches are now properly enabled in the appropriate cities
The Dragon Infusion perk now works properly when taking Esbern's Potion
Cragslane Cave properly resets if player receives a radiant quest to clear it out
Fixed rare issue with bounty quest objectives not properly clearing after completion
Gallus’ Encoded Journal is no longer a quest item after completing the Thieves Guild
In “ No Stone Unturned” Vex will now accept Unusual Gems if you’ve collected them all before starting the quest
Vekel the Man now gives rewards for completing “ Toying With The Dead”
Fixed rare issue with being unable to turn in stolen items in “ The Litany of Larceny”
Fixed issue with followers becoming over-encumbered after being repeatedly rehired
Fixed rare issue with visiting Kynesgrove on horseback not progressing “ A Blade in the Dark” properly
Fixed issue with receiving a duplicate radiant quest from a Jarl
Fixed conflict with clearing Driftshade Sanctuary before starting “ Trouble in Skyrim”
Fixed issue with using shouts while in jail and having guards unlock the jail cell
Fixed rare issue with quest NPCs not properly moving to quest locations
Fixed issue with NPCs not selling master level spells
Fixed rare issue where player gets control locked outside the Thalmor Embassy at the start of “ Diplomatic Immunity”
Fixed rare issue with disappearing containers after upgrades in player owned house
Fixed issue with being erroneously attacked while as a werewolf during “ Ill Met By Moonlight”
The Ebony Blade is now only improved by two handed perks
Locked door to Proudspire Manor can now be unlocked by proper key
Fixed issue with merchants not receiving the proper additional gold with the Investor perk
Fixed a rare issue where the player would be unable to learn a word after leaving for several days during “ The Way of the Voice”
The Nord Hero Bow can now be improved
The Purity perk no longer requires the Experimenter perk
Fixed rare instance where Lovers Comfort would not be applied properly
If you approach Frostmere Crypt from the north, “ The Pale Lady” will start properly
Fixed rare issue where player could be prevented from speaking with Atub to start “ The Cursed Tribe”
Fixed rare issue where a dragon could appear in the Mind of a Madman realm and kill the player
Fixed instance where player could get stuck in Japhet's Folly
Fixed rare instances where Arngeir would not teach Whirlwind Sprint
Fixed issue with “ Ill Met By Moonlight” if Sinding dies before the quest starts
Gharol can now properly train up to level 75
Fixed conflict with visiting The Karthspire before starting “ Alduin's Wall”
Reduced the instance of random dragon attacks after fast traveling post main quest
Recruited Blades now have appropriate dialogue while at Sky Haven Temple
Fixed rare issue where an incorrect dungeon could appear as a location during “ Totems of Hircine”
Fixed rare instance in “ Fetch me that Book” where books found before getting the quest would not be properly recognized
Fixed rare issue with traveling to Thalmor Embassy with companions during “ Diplomatic Immunity”
Fixed issues with Matching Set perk not working properly with certain pieces of armor
Fixed issues with Custom Fit perk not working properly with certain pieces of armor
Fixed issue with NPC dying in a bear trap blocking progress in “ Time of My Need”
Fixed rare issue with swinging door becoming stuck and blocking an entrance in Volunruud
Imperial Light Armor can now be crafted
Fixed issue with “ Vald's Debt” where Vald was not leveled properly
Fixed issue with Vilkas not giving proper greeting after completing “ Battle for Whiterun”
Fixed issue with respawning actors that were raised by using the Ritual Stone power
Fixed issue with the Ancient Knowledge perk not calculating properly
The Palace of Kings now has patrolling guards on upper floors
Reduce percentage chance of getting a werewolf loading screen while player is a werewolf
Pantea's flute is no longer a quest item after completing “ Pantea's Flute”
Placing an unread Oghma Infinium on a bookshelf in the player’s house no longer allows the book to be reused again
Adjusted dialogue priority to improve chances of hearing more combat dialogue from certain NPC enemies
Fixed issue with falling damage on high difficulty levels
Fixed bad collision on certain clutter objects
Fixed rare instance of couriers who would appear only dressed in a hat
PS3 The game may freeze if a spell makes too much noise, if there are too many footsteps, when pausing, when starting a conversation, just when an attack is about to connect, or after being slain by a power attack.
360 "Dead Man's Respite" Puzzle door circles can not be activated, when not on a quest, causing the player to be trapped with no way out.
PC Skyrim will shut off the monitor of your system if you are running an AMD/ATI graphics card. It requires a hard restart of the PC with its attendant risks. Bethesda has not confirmed this bug or a fix for it.
PC Sometimes, it's impossible to finish the Dragonborn Main Questline. (Miraak's battle bugs)
360 Legendary Skills: the Lock pick skill will not work after the skill is reset. The skill will only increase when a lock pick breaks, not when a lock has been successfully picked.