many improvements to map 2

-replaced the clip brushes on the parking garage door with blockbullets to prevent shooting through it
-moved a rubble pile, carpet stain and tipped over bookshelf forwards a bit in the library
-changed all grass textures and detail sprites in the level to match the third chapter's
-opened up the library roof and added 2 new ladders for better infected navigation
-overhauled the design of the library roof and added some missing rain particles
-removed a monitor prop that kept clipping through a shelf (for some reason?)
-removed a section of fence and moved a van prop near the start of the level
-placed some health item spawns and an oxygen tank in the first ambulance
-removed the "X alerted the horde" warning from the truck crash crescendo
-turned on a light near the opened library gate to help guide players better
-moved around and added a few new rain dripping particles and puddles
-shortened the length of the long store's awning for a more pleasing look
-added the missing glass and rain particles to the warehouse skylight
-fixed survivor bots jumping through the windows of certain buildings
-added a new warning message when entering the parking garage
-added more detail to the hole in the warehouse freezer ceiling
-moved the blue car in the garage back slightly for more room
-added a new spark effect to the parking garage door opener
-removed some duplicate and non-functional logic entities
-made the break room fridge light turn on and off instantly
-added new survivor dialogue to the beginning safehouse
-removed collision from a wheelchair and gurney prop
-made a static construction barrel into a physics prop
-added some new scaffolding to a few tall buildings
-lowered a tree prop slightly near the warehouse
-added 2 new lamp posts to the library's garden
-added the missing clip brushes to a few tables
-added some new bug particles to a few lights
-decreased the skybox for better optimization
-added and removed some infected ladders
-re-enabled vertex lighting on a few props
-many tweaks to the navmesh

minor update to map 4:

-added the missing clip brushes, pipe coupler and floor grate to the starting safehouse
-new clip brushes added to the boxes outside the safehouse
-new survivor dialogue in the starting safehouse

many improvements to map 3:

-added new infected ladders, pipes and detail geometry to the upper sewer platforms for better infected navigation
-added brand new survivor dialogue to the starting saferoom, tank event and howitzer crescendo in the stadium
-fixed survivor bots trying to walk underneath the catwalks and trying to jump through windows in the sewer
-added some crate props to the upper floor of the stadium to give special infected more areas to hide
-replaced all of the long fluorescent lights in the stadium with better variants pulled from Dead Air
-added the missing coupling to a pipe and new floor grate in the ending saferoom
-added new stabilizer bars to the long catwalks in the sewer as per OSHA
-the tank event has been revamped to be "more sudden and frightening"
-turned on/off a few lights inside of the stadium for a more pleasing look
-filled in a few empty walls with graffiti and stains in the sewer
-set up some custom instructor hints to help new players
-many improvements to the navmesh

many improvements to map 4:

-added a spark effect to the crashed semi and adjusted the position of the ceiling lights in the first storage room
-added some pictures, a clock, the saferoom door frames and the missing bedside lamp to the final safehouse
-placed the 2 decals in the starting saferoom that were also added in the previous map
-properly mirrored the stadium stands when looking back towards the previous map
-added the missing clip brushes, blood, flies and fly sounds to all corpses
-also added the missing books and other physics props to all shelves
-added in lots of missing ammo upgrade and laser sight spawns
-added some new trash and stain decals to the streets
-added the missing clip brushes to all luggage piles
-downsized the skybox for better optimization
-decreased the spawnrate of most items
-a few tweaks to the navmesh

many improvements to map 3:

-fixed survivors trying to walk through the tank event door in the stadium while it's still closed
-removed some sections of glass railing in the stadium for better infected navigation
-re-centered the entire map in the void for better performance
-placed some new decals on the floor of the ending saferoom
-added the missing blood, flies and fly sounds to all corpses
-moved around and added a few props for a cleaner layout
-improved the downed helicopter wreckage on the field
-fixed mudman spawning inside the stadium and field
-added many new physics props to empty shelves
-downsized the skybox for better optimization
-completely remade the map's navmesh
-added many new infected ladders
-shortened the map very slightly

-fixed a section of invisible fence that was introduced in the last update of map 2

many new improvements to map 1 and 2:

-added a few new CEDA signs and other graffiti overlays to a few empty walls
-made pipe bombs and molotovs spawn less frequently in map 2
-moved around and added a few new props for a cleaner layout
-swapped out the library fence for a more fitting L4D1 version
-fixed defibrillators not spawning in map 2 as well
-many fixes to the navigation meshes
-added a few new infected ladders

-re-added missing cubemaps to the current version of map 1

many improvements to map 1:

-moved a super early rescue closet from the underground to the building after the crane crescendo
-swapped out 2 of the infected models from the intro because they wouldn't illuminate properly
-added tons of new physics props to all of the shelves that were missing them
-added some new props to the bare sides of a few buildings
-added lots of new quality of life clip brushes throughout
-many fixes and improvements to the navigation mesh
-added some new infected ladders to a few buildings
-fixed some power lines not blowing in the wind

-fixed some skybox poking through near the end of the level in map 2