| Update | Highlights | Release |
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| 1.0.0 | | 28 May 2015 |
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| 1.2.0 | - A glitch involvingSpyke andJudd that gave the player their money back was fixed.
| 2 June 2015 |
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| 1.3.0 | | 30 June 2015 |
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| 2.0.0 | | 6 August 2015 |
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| 2.1.0 | - Bug fixes for multiplayer battles.
- Adjustments to some stages to remove unintended shortcuts.
| 2 September 2015 |
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| 2.2.0 | - Bug fixes for multiplayer battles.
- Adjustments to some stages to remove unintended shortcuts and prevent unintended weapon usage.
- Balance adjustments for main weapons,sub weapons, special weapons, and abilities.
- Adjustments to matchmaking and point gain/loss for S and S+ranks.
- Change to how the winning team is determined when a Splatfest event ends.
| 21 October 2015 |
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| 2.3.0 | - 10 new headgear items, 22 new clothing items, and 10 new pairs of shoes.
- Bug fixes for multiplayer battles.
- Changes to the display of the results screen for Ranked Battles.
| 13 November 2015 |
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| 2.4.0 | - Adjustment to matchmaking for Splatfest Battles andRegular Battles.
- Introducedprohibited areas for some stages inRainmaker mode.
- Bug fixes for multiplayer battles.
- Adjustments to some stages to remove unintended shortcuts.
| 17 December 2015 |
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| 2.5.0 | - Various adjustments and bug fixes for stages.
| 19 January 2016 |
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| 2.6.0 | - Adjustments to the layout ofArowana Mall andMoray Towers.
- Adjustments to matchmaking for Ranked Battles.
- Decreases the number of rank points lost if teams are made uneven by a connection error.
- Balance adjustments for abilities.
- Replaces theVibe meter with theSplatfest Power meter during Splatfest events.
| 8 March 2016 |
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| 2.7.0 | - Adds eight new weapons.
- Balance adjustments for main weapons, sub weapons, and special weapons.
- Balance adjustments for the duration of location tracking effects.
- Bug fixes for multiplayer battles.
- Various adjustments and bug fixes for stages.
| 13 April 2016 |
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| 2.8.0 | - Adds nine new weapons.
- Adds two gear items.
- Balance adjustments for weapons and theStealth Jump ability.
- Various adjustments and bug fixes for stages.
| 8 June 2016 |
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| 2.9.0 | - Support forCallie andMarieamiibo.
- Balance adjustments for main weapons and special weapons.
- Bug fixes for multiplayer battles.
| 6 July 2016 |
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| 2.10.0 | - Adjustments and bug fixes.
| 8 July 2016 |
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| 2.11.0 | - Adjustments and bug fixes.
| 3 August 2016 |
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| 2.12.0 | - Adjustments and bug fixes.
| 13 September 2016 |
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| 2.12.1 | - Fixed vulnerability related to online battles.
| 3 August 2023 |
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