Editing Update 1.9

{{Quality}}
{{IB-Update
 |image       =
 <gallery>
BlastProcessing.png|Blast Processing
TheoryOfEverything2.png|Theory of Everything 2
</gallery>
 |update      = v1.9
 |updates     = 
*v1.91
*v1.911
*v1.921
*v1.93
 |steamdate   = 23-12-2014 (initial release)
 |androiddate = 09-11-2014
 |iosdate     = 09-11-2014
 |levels      =
*[[Blast Processing|Blast Pro&shy;cessing]]
*[[Theory of Everything 2|Theory of Every&shy;thing 2]]
 |portals     =
*[[Portals#Wave|Wave]]
 |icons       =
*4 + 2^ cubes
*2 ships
*2 balls
*2 UFOs
*1 wave
*4 colours
^ ''Steam only''
 |precededby  = [[Update 1.8]]
 |followedby  = [[Update 2.0]]
}}
'''Update 1.9''' was the ninth major update to [[Geometry Dash]] released on 9 November 2014 for Android and iOS, and on 23 December 2014 serving as the initial release of the Steam version.

==Description==
Update 1.9 introduced seventeenth and eighteenth levels, [[Blast Processing]] and [[Theory of Everything 2]], the former introducing the wave form, and the latter the second main Demon level. The [[Icon Kit]] received 11 icons (13 on Steam) and 4 new colours. The update also included a great variety of level [[Level Editor|level editor]] additions and improvements, including new objects that when used in conjunction with blocks could convey a 3D aesthetic. A new [[User Accounts|user account]] system was implemented, and music from [https://newgrounds.com Newgrounds] was able to downloaded for use in [[User Levels|user levels]]. Additionally, level difficulties were changed as follows:
*[[Back On Track]]: Normal ➔ Easy
*[[Polargeist]]: Hard ➔ Normal
*[[Dry Out]]: Harder ➔ Normal
*[[Base After Base]]: Harder ➔ Hard
*[[Can't Let Go]]: Insane ➔ Hard
*[[Jumper]]: Insane ➔ Harder
*[[Time Machine]]: Insane ➔ Harder
*[[Cycles]]: Insane ➔ Harder

;Update log (iOS AppStore)
*New level "Blast Processing"
*New level "Theory of Everything 2"
*New "Wave" game mode
*New music system. Build and share levels using custom music from Newgrounds.com
*Backup system. Store and sync your progress between devices and platforms
*User account system
*New achievements, colors and icons
*Lots of new details and level objects
*Customize the color of objects in the level editor (including 4 custom color channels)
*Color coding in editor to make different objects more clear
*New search options
*Improved server performance for downloading levels
*Copy/paste support in editor. (not duplicate, paste object anywhere in the level)
*Level editor object limit increased to 15,000
*Lots of bug fixes and improvements
*More!

;v1.91 (21 November 2014)
*Bugfixes and tweaks

;v1.911 (22 November 2014)
*Bugfixes and tweaks

;v1.921 (29 January 2015)
*New performance option that can reduce lag on some devices. Go to "options/smooth fix" to enable.
*Added group features (now called editor layers) to level editor
*Max objects increased to 20,000
*Bugfixes and tweaks

;v1.930 (17 February 2015)
*Bugfixes

===Lite version===
[[Geometry Dash Lite]] was updated to v1.921 on 6 February 2015 (iOS):
*New level "[[Time Machine]]"!
*New achievements and rewards!
*Account system
*Bugfixes and tweaks

==Trivia==
{{Togglebox
 |header = History
 |body   = <nowiki />
*'''3 August 2014:''' Prior to the release of [[Update 1.8]], Topala said in a conversation at Touch Arcade Forums, "''I have a lot of ideas for Update 1.9 that could be huge for the game, but more on that after I release 1.8......... muahaha!''"
*'''13 August 2014:''' Topala posts his first Update 1.9 preview image, which shows five icons wearing different-coloured headphones. This makes way for much anticipation throughout the Geometry Dash community and results in theories involving soundtrack changes within a level and new game modes.
*'''26 August 2014:''' Topala publishes another image depicting 3-D blocks, arousing much excitement among ''Geometry Dash'' players.
*'''28 August 2014:''' Topala continues with the idea of 3-D blocks, posting a picture on Facebook about what could be built using them.
*'''6 September 2014:''' Another image is posted through Topala's social media accounts, featuring several different level components that could be used in future Geometry Dash levels. This includes two new icons, gear-like obstacles, and various different unknown types of blocks. The most prominent feature is a new thick blue portal that would likely result in the introduction of a new form.
*'''14 September 2014:''' Topala posts another image to social media, hinting the soundtracks for the upcoming levels. It has a blast and processor (which was later confirmed to be Blast Processing by Waterflame) and a book, an infinity symbol, and the number 2 (which hinted to Theory of Everything 2 by both DJ Nate and F-777).
*'''21 September 2014:''' Another image is posted through Facebook and Twitter. It previews a new custom music feature that would allow players to include music from Newgrounds in their custom levels. The image includes ten icons with headphones at the bottom. It is the first picture to indicate that the update was a work in progress. Upon the release of the image, Topala says that a sneak peek video for the next levels would be coming soon.
*'''28 September 2014:''' Topala officially releases the first Update 1.9 sneak peek video, which shows the first 21 seconds of Blast Processing. As seen in the video, the new blue portal changes the icon to an arrow-like object with physics similar to those seen in the mobile game, ''Wave Wave''.
*'''10 October 2014:''' Topala releases another sneak peek video featuring the second level, Theory of Everything 2. In this video, a new background and a new design of ship is used. Topala is also playing the game on his PC, indicating that he may have been using the Steam version.
*'''18 October 2014:''' Topala confirms that the update would be released soon after he had fixed a minor issues in the backup and music systems. He also says he is working on the Steam version, and hints on Update 2.0, stating that he will continue improving the user account system devised in 1.9.
*'''4 November 2014:''' Topala posts that the update is submitted for review and is waiting to be accepted.
*'''9 November 2014:''' Nearly three months after Update 1.9 was first mentioned, Topala confirms the release of 1.9 and states that it will be released on iOS and Android devices around the same time, and the Steam version would be released as soon as possible. It is eventually released on the Windows Phone, App Store, and several other mobile devices.
*'''15 November 2014:''' Update 1.9 is released on Amazon devices.
*'''20 November 2014:''' Update 1.91 is released on all devices. This is a minor update that fixes a few bugs.
*'''18 January 2015:''' Update 1.921 is released on the Play Store. This includes some new options and fixes a few custom soundtrack bugs.
*'''29 January 2015:''' Update 1.921 is released on the App Store.
*'''12 February 2015:''' Update 1.930 is released on the Play Store. This is a minor update that includes some bugfixes.
*'''16 February 2015:''' Update 1.930 is released on the App Store.
}}

==Previews==
{{VC|PQkAjNPKxDM|2iId_amseh0
 |cpt1 = An early preview, the level differing from the release version with many decorations not yet present
}}

==Gallery==
<gallery mode="packed">
Update1.9Teaser01.png
Update1.9Teaser02.png
Update1.9Teaser03.png
Update1.9ObjectsPreview.png
Update1.9Teaser04.png|Featured levels music hint, 'blast' + 'processor' = Blast Processing, 'documented idea' + 'all things' + 2 = Theory of Everything 2
Update1.9Teaser05.png
</gallery>
[[Category:Updates (base content)]]