Language-agnostic mutation testing library for Elixir, Erlang, and other BEAM languages. Evaluates test suite quality by introducing deliberate bugs into code and verifying that tests catch them. Intelligent file filtering, 18 mutation strategies, sound equivalent-mutant handling, and more.
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22 Versions
Versions
Compare versionsAugust 27, 2026
August 26, 2026
August 24, 2026
August 19, 2026
June 28, 2026
June 27, 2026
June 27, 2026
June 26, 2026
April 05, 2026
April 04, 2026
April 05, 2026
April 05, 2026
April 05, 2026
March 19, 2026
March 19, 2026
March 19, 2026
January 29, 2026
January 20, 2026
January 19, 2026
January 19, 2026
January 18, 2026
January 18, 2026
| Version | Publish Date | Note | Actions |
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| 0.9.1 | August 27, 2026 |
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| 0.9.0 | August 26, 2026 |
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| 0.8.3 | August 24, 2026 |
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| 0.8.2 | August 19, 2026 |
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| 0.8.1 | June 28, 2026 |
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| 0.8.0 | June 27, 2026 |
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| 0.7.0 | June 27, 2026 |
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| 0.6.2 | June 26, 2026 |
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| 0.6.1 | April 05, 2026 |
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| 0.6.0 | April 04, 2026 |
Security issue
Unintentially published broken impl, use 0.6.1+ instead
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| 0.5.5 | April 05, 2026 |
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| 0.5.4 | April 05, 2026 |
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| 0.5.2 | April 05, 2026 |
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| 0.5.1 | March 19, 2026 |
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| 0.5.0 | March 19, 2026 |
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| 0.4.0 | March 19, 2026 |
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| 0.3.3 | January 29, 2026 |
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| 0.3.2 | January 20, 2026 |
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| 0.3.1 | January 19, 2026 |
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| 0.3.0 | January 19, 2026 |
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| 0.2.0 | January 18, 2026 |
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| 0.1.0 | January 18, 2026 |
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Checksum
Dependency Config
mix.exs
rebar.config
Gleam
erlang.mk
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