Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

- Temporarily removed a change that broke a ladder in Dark Carnival.

Highlights of the AMD Catalyst 12.2 Windows release includes:

NEW FEATURES

Windows 7 and Windows Vista support for the AMD Radeon HD 7900 Series and AMD Radeon HD 7700 Series
- Enables support for Windows 7 64-bit/32-bit and Windows Vista 64-bit/32-bit.
- Windows XP support will be made available in AMD Catalyst 12.4.

IMPROVEMENTS

Super Sampling Anti-Aliasing is now available for DirectX® 10 and DirectX 11 applications
- Supported on the AMD Radeon HD 7900 and AMD Radeon HD 7700 Series.
- Users can now enable Super Sample Anti-Aliasing and Adaptive Anti-Aliasing through the AMD Catalyst Control Center for DirectX 10 and DirectX 11 applications.
- Applications must support in game Anti-Aliasing for the feature to work (Forced on Anti-Aliasing through the Catalyst Control Center is not supported for DirectX 10 and DirectX 11 applications).
AMD Eyefinity 2.1 technology enhancements
- Custom resolutions – users can now choose from a much larger set of display resolutions for their AMD Eyefinity configurations.
- Dynamic Configuration Changes: Switching between different display configurations (when physically plugging/un-plugging displays) will occur automatically by loading the appropriate profile.
- HydraVision enhancements: The Windows Task bar can now be moved and resized based on users preference.
- Profile Manager improvements: Users can now create multiple Display profiles, enabling users to seamlessly switch between various AMD Eyefinity and Display Configurations.

RESOLVED ISSUES

Resolved Issues for the Windows 7 Operating System
This section provides information on resolved known issues in this release of the AMD Catalyst 12.2 software suite for Windows 7. These include:
- Random texture flickering is no longer experienced when playing Tom Clancy HAWX with Crossfire™ and Eyefinity enabled.
- Random texture flickering is no longer experienced when playing Call of Duty – Modern Warfare 3 in a Tri-Crossfire setup.
- Random texture flickering is no longer experienced when playing Dragon Age 2 with Crossfire and Vsync enabled.
- Skipping the in-game cinematics when running Dragon Age 2 in DirectX 11 mode no longer causes random stuttering.
- The Battleforge DirectX 10.0 benchmark no longer experiences intermittent crashes when run in Tri-Crossfire mode.
- Random flickering is no longer observed when playing Battlefield – Bad Company 2 in DirectX 11 mode.
- Playing back h.264 interlaced BluRay content no longer displays intermittent green flashing.
- The system no longer experiences random hangs when playing back BluRay 3D content in Duplicate mode.
- Starcraft II no longer experiences random system crashes when exiting a campaign in certain Crossfire configurations.
- Batman – Arkam City no longer experiences intermittent system crashes when run in DirectX 11 mode.
- Changing Crossfire settings no longer causes a random system crash.
- A system crash is no longer experienced when playing Rage with Crossfire enabled.
- Crysis Warhead and Battlefield – Bad Company II no longer experience random crashes in certain Crossfire configurations.
- Playback of BluRay 3D content now correctly uses hardware acceleration.
- Random texture corruption is no longer displayed when playing Dirt III in DirectX 11 mode and with anisotropic filtering applied.
Resolved Issues for the Windows 7 Operating System
This section provides information on resolved known issues in this release of the AMD Catalyst 12.2 software suite for Windows 7. These include:
- Windows Aero options are available after installing the driver.
- Background textures in World of Warcraft Cataclysm no longer experience random flickering in some Crossfire and Eyefinity configurations.

KNOWN ISSUES

Known issues under the Windows 7 operating system
The following section provides a summary of open issues that may be experienced under the Windows 7 operating system in the latest version of AMD Catalyst. These include:
- Alan Wake - Enabling CrossfireX can cause corruptions or hangs. This issue will be fixed in AMD Catalyst 12.3
- Elder Scrolls - Image corruption can be be seen with Anti-Aliasing enabled on speciic AMD graphics hardware. This issue will be fixed in AMD Catalyst 12.3
- Vsync may be disabled after task switching when playing Rage.
- A black screen may be displayed when running Civilization V in certain Eyefinity configurations.
- Playing Far Cry 2 at high in game settings may generate a system hang.
- Poor performance may be experience when playing Dirt 3 in DirectX 11 mode at low resolutions with Crossfire enabled.
Known issues under the Windows XP operating system
The following section provides a summary of open issues that may be experienced under the Windows XP operating system in the latest version of AMD Catalyst. These include:
- The system may hang when playing Dirt 3 at maximum in-game settings.

Maps:
• Added St. Marc to Demolition mode.
• Added and set quick match to cs_Italy
• Added de_dust2_se. See blog for details.

Gameplay:
• New weapons: Famas, Galil AR, P250, Dual Berettas
• Demolition mode update
• Match now consists of two 10 round halves
• Weapon progression updated:
- CTs: m4a4, p90, ump45, deagle, nova, fiveseven, hkp2000, ssg08, awp, awp
- Ts: ak47, p90, bison, deagle, nova, tec9, glock, ssg08, awp, awp

UI
• Added My Awards – Achievements & Stats
• Updated alerts animation
• Games with a half-time now display that it’s the last round before halftime
• Fixed final round not being called out in games with two halves
• Fixed player getting a weapon upgrade on the last round before half-time/teamswap
• Fixed some bugs where involving bot takeover scenarios
• Fixed death message icon order - not penetration icon show up before the headshot so it makes sense in chronological order
• Fixed some bad defusing text when spectating
• Fixed "YOU ARE ON TEAM" panels not fading out properly
• Fixed same panels not toggling visibility properly when toggling the scoreboard
• When a CT is defusing, his ID shows the defuse icon now
• Fixed scoreboard not showing from team selection menu
• Restored ability to see when you unlocked an achievement on PC
• Along with the hint, weapons now click when you change modes
• Fix to not display the cash award message in the following cases:
• The round just prior to halftime has ended.
• It is not currently halftime
• It is not the last round of the match (including the clinch victory early situation)
• Space bar now changes camera mode and navigation text has been updated accordingly
• Update to Match Set Up screen
• Fix for PC video settings defaulting to COUCH
• Modified "Playing on Team..." panel.
• Visual update to mini-scoreboard

Maps
• Dust
- Fix bug that allowed player to hop near wall and see into inaccessible area - replaced some nodraw brushes with textures to help fix these holes.
- Fixed bug where player clip limits jumping -removed player clip that was preventing them from jumping the full height.

• Dust 2
- Fixed bug where player can toss bomb out of reach.
- Fixed bug where clip preventing jumping.
- Fixed bug where player was able to see out of map. -added some simple tops to this geometry.
- Fixed bug where player can hop near wall and see into inaccessible area.
- Fixed bug where clip limits jumping.

• Lake
- Tree models were optimized
- Fixed bug where player gets stuck on the physics prop model of lumber, changed this to static props
- Increased the fade distance at which some of the bushes fade
- Nav fixes
- Fixed being able to get stuck between rock & shed.
- Adjusted start position of the upstairs doors into the bedroom and bathroom so there is better flow into those spaces.
- Adjusted some tree cards in the skybox, and perimeter.
- Pulled out a couple unneeded tree models in the 3dskybox to help with perf.
- Draw distance for the floaties in the water seems too near.

• Train
- Adjusted fog per community feedback.
- Inferno
- Tightened up collision volumes for Inferno Objects bomb crate, bomb crate stack, and bomb tanks

Audio
• Disabled unused sound entries. Adding back in two sets of bullet surface impacts.
• Added semi-auto to auto switch sound
• Ambient sound adjustments for dust, dust2, and Italy
• Sound effects tuning
• Pulled down volume of ammo pickup that's played at round start.
• Pulled bell attenuation back to normal levels, only hear in and around terrorist spawn, no longer level wide.
• Increased life on helicopter from 15 to 25 seconds, for chopper fade out.
• UI timer click down to .35 volume

Effects
• Grenade visibility - added self illum to colored stripe on thrown flashbang.
• Tune effect for the C4's flashing indicator light.

Animations
• Removed forearm slap, times and remixed clip out wave
• Tune Terrorist run - Work on the arms and weapon.
• Fix crouch fire leg wiggle in Terrorist aim
• Fix for crouchwalk finger popping, found that stand had a sliding finger, now stabilized in Terrorist aim

Other Bug Fixes
• Fix for spawning inside another player after halftime.
• Fixing CSM entity related bug that could cause CSM shadows to be disabled when toggling between fullscreen and windowed when connected to a dedicated server.
• Fixing red console errors with props that were set to use VPhysics, but have no collision hull.
• Fixed bug where the main menu could be clicked through the custom game menu (resulting in both being drawn)
• Cleaned up warnings in single player screen

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

General:
-Fixed survivors being able to climb some infected-only ladders

No Mercy 1 – Apartments:
-Survivors should no longer be able to fall into the street-level infected-only area from the starting rooftop -Players should no longer be able to drop down onto the invisible brush at the corner.
-Survivors should no longer be able to incapacitate themselves by jumping toward the electric box prop opposite the starting rooftop. It should now be fatal

No Mercy 2 – Subway:
-Players should no longer get stuck when in the back corner underneath the starting safe room -Survivors should no longer be able to jump onto the tiny ledge on the side of the building following the door/generator event -Made the piano near the ending safe room into a an immobile, static prop to solve an issue with infected players using it to block the safe room.

No Mercy 3 – Sewer:
-Survivors who somehow manage to get on top of the gas station should no longer be able to leave the map.
-The work light at the mid-way point in the sewer is now an immobile, static prop to solve an issue with infected players using it to block survivor progress.

No Mercy 4 – Hospital:
-Added the missing "breakable" decals to the breakable wall in the second part of the stairwell.
-Made the breakable wall in the second part of the stairwell breakable to all infected.
-Survivors should no longer be able to enter the infected-only vents and passages above and near the elevator event.
-The two tank-only breakable walls in the upper, under construction floor into can now be broken by any infected.

No Mercy 5 – Rooftop:
-Added several props to cover and remove an invincible spot on one of the lower tiers of the rescue rooftop.

Cold Stream 4 – Cut-throat Creek:
-Fixed infected not being able to path to survivors when standing in the boat near the tank fight.

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