September 09, 2015 Patch

{{Patch layout
 * source = http://store.steampowered.com/news/18340/
 * source-title = Dota 2 Update - September 9th 2015
 * source2 = http://store.steampowered.com/news/18341/
 * source2-title = Dota 2 Update - September 9th 2015 - B
 * before = September 08, 2015 Patch
 * after = September 10, 2015 Patch
 * notes =
 * Fixed the fight recap button sometimes causing the client to crash.
 * Fixed bug calculating ping to regions, causing some regions to have very inaccurate pings and others to show up as not available.
 * Fixed a bug on older CPUs where you would crash if you opened the heroes tab while in-game and then disconnected from the game.
 * Fixed a bug where the profile would sometimes show the stats from the previously loaded profile rather than the current one.
 * Fixed the fight recap panel not appearing when spectating.
 * Fixed the {{code|dota_camera_disable_yaw}} console variable.
 * The {{code|fogui}} developer command has been enabled.
 * Custom Games: {{code|BaseNPC:EmitSound}} now respects the fog of war.

Update 2

 * Fix particle systems not emitting correctly when coming back from the dormant state (such as 's ).
 * Fixed south rune placement.
 * Fixed top and bottom base ramp widths.
 * Fixed ward hill camp blocking bug.
 * Fixed Moonbeams weather effect.
 * changes =
 * Source 1 client has now been replaced by the Dota 2 Reborn client.
 * OpenGL Support for Windows is now an optional DLC

}}