Updates to Garry's Mod have been released. The updates will be applied automatically when your Steam client is restarted. The specific changes include:

Garry's Mod

Added options to add shortcuts to desktop
Added option to rebuild all of a categories icons
Added spawn effect
Added ability to duplicate NPCs
Duplicator now copies ragdoll's face poses
Changed Scoreboard's dimensions
Camera's zoom is now clientside
Clicking outside of the spawn menu will now close it
Fixed rare client crash when holstering weapon had no owner
Fixed rare client crash when Steam purchase was pending
Fixed over the top scoreboard flashing
Fixed detail model (grass, weeds) not showing on Day of Defeat: Source maps
Optimized postprocessing scripts
Fixed spawn menu categories popup menu showing in the top left of the screen
Fixed spawnicons reloading when they don't have to
Fixed props falling through the world when applying physprops when frozen
Magnets are now included in cleanup
Fixed duplicated props with children leaving children behind when removed
Fixed constant debug output when using nail constraint
Fixed not being able to click buttons on the top left of the screen in some gamemodes/mods
Fixed undo list randomly not showing up
Fixed overflows/Timeouts due to usermessages
Kicking from the scoreboard now works on dedicated servers
Fixed occasional crashes when playing single player maps with maxplayers > 1
Scripted NPcs now look at the player when maxplayers > 1
Camera can now take photos when zooming
Fixed sometimes not being able to type into the spawn menu
Fixed continually spawning props inside each other causing immense cpu usage
Fixed NPC Medic battle crash
Fixed crash when empty files in server_settings
Fixed not being able to choose "no sound" for turret
GMDM gibs now work as intended
Fixed wheel axis being wonky after duplication
Fixed "FindModel NULL name" exit when opening the spawn menu