Kerbal Space Program

Squad · Private Division

Released: Apr 27, 2015
Platforms: WindowsmacOSLinux
Last updated: 04 Sep 2026, 10:46 GMT

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Builds & patches

Developer updates Change feed

Current branches

1.5.1Build 32232571.5.1 Kerbal Space Program

Updated 20 Dec 2018, 17:55 GMT

1.6.1Build 34526491.6.1 Kerbal Space Program

Updated 10 Apr 2019, 18:49 GMT

1.7.2Build 39131531.7.2 Kerbal Space Program

Updated 11 Jul 2019, 17:54 GMT

1.7.3Build 39996621.7.3 Kerbal Space Program

Updated 16 Oct 2019, 17:38 GMT

1.8.0Build 42874991.8.0 Kerbal Space Program

Updated 29 Oct 2019, 18:34 GMT

1.8.1Build 43265121.8.1 Kerbal Space Program

Updated 12 Feb 2020, 18:53 GMT

1.9.0Build 46613591.9.0 Kerbal Space Program

Updated 27 Feb 2020, 19:06 GMT

1.9.1Build 47024571.9.1 Kerbal Space Program

Updated 01 Jul 2020, 13:59 GMT

1.10.1Build 53164551.10.1 Kerbal Space Program

Updated 17 Dec 2020, 17:51 GMT

1.11.1Build 61427661.11.1 Kerbal Space Program

Updated 16 Mar 2021, 18:50 GMT

1.11.2Build 63267591.11.2 Kerbal Space Program

Updated 24 Jun 2021, 16:52 GMT

1.12.1Build 69306621.12.1 Kerbal Space Program

Updated 02 Aug 2021, 22:40 GMT

1.12.2Build 71035381.12.2 Kerbal Space Program

Updated 13 Dec 2021, 17:46 GMT

1.12.3Build 7646373 1.12.3 Kerbal Space Program

Updated 02 Nov 2022, 18:02 GMT

1.12.4Build 90308661.12.4 Kerbal Space Program

Updated 11 Jan 2023, 14:05 GMT

publicBuild 10132464

Updated 11 Jan 2023, 14:05 GMT

previousBuild 61081491.0.5 Kerbal Space Program

Updated 20 Jan 2021, 00:39 GMT

previous_1.1.3Build 26572521.1.3 Kerbal Space Program

Updated 03 Apr 2018, 23:30 GMT

previous_1.2.2Build 15005901.2.2 Kerbal Space Program

Updated 25 May 2017, 22:05 GMT

previous_1.3.1Build 26572861.3.1 Kerbal Space Program

Updated 03 Apr 2018, 23:51 GMT

previous_1.4.5Build 29610291.4.5 Kerbal Space Program

Updated 15 Oct 2018, 15:57 GMT

Build history

Build history
Build	Branch	Steam updated	Depot changes
5316455Current	1.10.1	17 Dec 2020, 17:51 GMT	Unknown
6142766Current	1.11.1	16 Mar 2021, 18:50 GMT	Unknown
6326759Current	1.11.2	24 Jun 2021, 16:52 GMT	Unknown
6930662Current	1.12.1	02 Aug 2021, 22:40 GMT	Unknown
7103538Current	1.12.2	13 Dec 2021, 17:46 GMT	Unknown
7646373Current	1.12.3	02 Nov 2022, 18:02 GMT	Unknown
9030866Current	1.12.4	11 Jan 2023, 14:05 GMT	Unknown
3223257Current	1.5.1	20 Dec 2018, 17:55 GMT	Unknown
3452649Current	1.6.1	10 Apr 2019, 18:49 GMT	Unknown
3913153Current	1.7.2	11 Jul 2019, 17:54 GMT	Unknown
3999662Current	1.7.3	16 Oct 2019, 17:38 GMT	Unknown
4287499Current	1.8.0	29 Oct 2019, 18:34 GMT	Unknown
4326512Current	1.8.1	12 Feb 2020, 18:53 GMT	Unknown
4661359Current	1.9.0	27 Feb 2020, 19:06 GMT	Unknown
4702457Current	1.9.1	01 Jul 2020, 13:59 GMT	Unknown
6108149Current	previous	20 Jan 2021, 00:39 GMT	Unknown
2657252Current	previous_1.1.3	03 Apr 2018, 23:30 GMT	Unknown
1500590Current	previous_1.2.2	25 May 2017, 22:05 GMT	Unknown
2657286Current	previous_1.3.1	03 Apr 2018, 23:51 GMT	Unknown
2961029Current	previous_1.4.5	15 Oct 2018, 15:57 GMT	Unknown
10132464Current	public	11 Jan 2023, 14:05 GMT	Unknown

Some intermediate builds may be missing.