When Borderlands DLC The Secret Armory of General Knoxx hits your platform of choice, it will be accompanied by a new update. Update 1.3 was released for the Xbox 360 today and will arrive on the PS3 and PC on Thursday.

Gearbox revealed the patch notes late last night. Note that they're different for each platform:

Xbox 360

Addressed issues:

• Invalid weapons or items can no longer be loaded into the game
• Brick’s Centurion class mods now regenerate health correctly
• Brick’s Bombardier class mods now regenerate rockets correctly
• Roland’s Tactician class mods now regenerate shields correctly and display the correct bonus values
• Roland’s Rifleman class mods now apply damage increase to all machine guns
• Certain powerful legendary item names should now be displayed in the appropriate color
• Opening the bank in the Mad Moxxi DLC no longer prevents other players from moving
• Multiple copies of DLC missions can no longer be obtained
• Corrected some incorrect icons in the ammo vendor
• Fixed a crash caused by killing the final boss while zoomed in with a scope
• The “Careful, he bites” achievement should now properly unlock when playing in French
• Added icons to the server browser that indicate which DLCs the server has installed
• The server browser now displays the name of the DLC a server is playing instead of the plot mission
• Adjusted scrolling in menu options in long server lists
• Added a notification if a player attempts to continue a game saved in DLC that is no longer installed
• Fixed DLC notification dialogs that were not closing properly
• Fixed an issue which resulted in corruption in saved games
• Zombie Island achievements now unlock properly in splitscreen

Balance adjustments:

• Chests in New Haven have been adjusted to contain more appropriate loot
• The duration of daze effects has been reduced to 6 seconds, and the amount by which it decreases the speed of enemies and their projectiles has been reduced
• Damage from shock elemental effects has been increased
• Repeater pistol damage has been slightly increased, accuracy slightly decreased
• Sniper Rifle critical hit bonus has been increased

PS3

Addressed issue:

• Invalid weapons or items can no longer be loaded into the game
• Brick’s Centurion class mods now regenerate health correctly
• Brick’s Bombardier class mods now regenerate rockets correctly
• Roland’s Tactician class mods now regenerate shields correctly and display the correct bonus values
• Roland’s Rifleman class mods now apply damage increase to all machine guns
• Certain powerful legendary item names should now be displayed in the appropriate color
• Opening the bank in the Mad Moxxi DLC no longer prevents other players from moving
• Multiple copies of DLC missions can no longer be obtained
• Corrected some incorrect icons in the ammo vendor
• Fixed a crash caused by killing the final boss while zoomed in with a scope
• The “Careful, he bites” achievement should now properly unlock when playing in French
• Added icons to the server browser that indicate which DLCs the server has installed
• The server browser now displays the name of the DLC a server is playing instead of the plot mission
• Adjusted scrolling in menu options in long server lists
• Added a notification if a player attempts to continue a game saved in DLC that is no longer installed
• Fixed DLC notification dialogs that were not closing properly
• Added support for allowing multiple user login on PS3, so that friends can play on another player's system in splitscreen
• Zombie Island trophies should now unlock properly
• Fixed graphical distortion and crashes some PS3 users may be experiencing

Balance adjustments:

• Chests in New Haven have been adjusted to contain more appropriate loot
• The duration of daze effects has been reduced to 6 seconds, and the amount by which it decreases the speed of enemies and their projectiles has been reduced
• Damage from shock elemental effects has been increased
• Repeater pistol damage has been slightly increased, accuracy slightly decreased
• Sniper Rifle critical hit bonus has been increased

PC

Addressed issues:

• Invalid weapons or items can no longer be loaded into the game
• Brick’s Centurion class mods now regenerate health correctly
• Brick’s Bombardier class mods now regenerate rockets correctly
• Roland’s Tactician class mods now regenerate shields correctly and display the correct bonus values
• Roland’s Rifleman class mods now apply damage increase to all machine guns
• Certain powerful legendary item names should now be displayed in the appropriate color
• Opening the bank in the Mad Moxxi DLC no longer prevents other players from moving
• Multiple copies of DLC missions can no longer be obtained
• Corrected some incorrect icons in the ammo vendor
• Fixed a crash caused by killing the final boss while zoomed in with a scope
• The “Careful, he bites” achievement should now properly unlock when playing in French
• Added icons to the server browser that indicate which DLCs the server has installed
• The server browser now displays the name of the DLC a server is playing instead of the plot mission
• Adjusted scrolling in menu options in long server lists
• Added a notification if a player attempts to continue a game saved in DLC that is no longer installed
• Fixed DLC notification dialogs that were not closing properly
• Alt-F4 no longer closes the game if it is not in focus

Balance adjustments:

• Chests in New Haven have been adjusted to contain more appropriate loot
• The duration of daze effects has been reduced to 6 seconds, and the amount by which it decreases the speed of enemies and their projectiles has been reduced
• Damage from shock elemental effects has been increased
• Repeater pistol damage has been slightly increased, accuracy slightly decreased
• Sniper Rifle critical hit bonus has been increased