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
Fixed some props not gibbing correctly in multiplayer
Fixed occasional clientside Lua error on join
Fixed players sometimes spawning in the same spot
Prevented players spawning inside each other
Fixed server.cfg executing twice
Fixed crash due to too many effects being created
Fixed networked vars not being transmitted on connect
Script enforcer no longer requires a generated clientscript.txt file