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Download the latest stable release or browse previous versions. mruby is open source under the MIT license.

Current Stable 4.0.0 Released 20 Apr 2026
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Source .zip mruby-4.0.0.zip · via GitHub
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Source .tar.gz mruby-4.0.0.tar.gz · via GitHub
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Previous Releases

Version Date
3.4.0 20 Apr 2025 Changelog →
3.3.0 14 Feb 2024 Changelog →
3.2.0 24 Feb 2023 Changelog →
3.1.0 12 May 2022 Changelog →
3.0.0 5 Mar 2021 Changelog →
2.1.2 6 Aug 2020 Changelog →
2.1.1 4 Jun 2020 Changelog →
2.1.0 10 Nov 2019 Changelog →
2.0.1 4 Apr 2019 Changelog →
2.0.0 10 Dec 2018 Changelog →
1.4.1 27 Apr 2018 Changelog →
1.4.0 16 Jan 2018 Changelog →
1.3.0 4 Jul 2017 Changelog →
1.2.0 18 Nov 2015 Changelog →
1.1.0 19 Nov 2014 Changelog →
1.0.0 9 Feb 2014 Changelog →