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matcher

Support for specifying test expectations via an extensible Matcher class. Also includes a number of built-in Matcher implementations for common cases.

github.com/dart-lang/testBSD-3-Clausedart.dev3.1M / week536 · 237 forks · 156 contributors
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Compares against 0.12.20 (latest stable)
Latest Stable0.12.20Apr 27, 2026
Latest Alpha0.12.0-alpha.0Feb 20, 2015
Release cadenceEvery 4 months
Last releaseApr 27, 2026
Open advisories0
Changelog quality97% curated
CHANGELOG + GitHub Releases, gaps for some releases
Release history Security
0.x
STABLE · RCPRE-RELEASEJulOct2024AprJulOct2025AprJulOct2026Apr

45 older or filtered releases not shown.

Upgrade guides

Breaking changes and a migration checklist for each major version
matcher 0.11 → 0.120.11.4+6 → 0.12.20Apr 27, 2026 BreakingBreaking4Platform5Deprecated2New11Changed16Fixed7Other11matcher 0.10 → 0.110.10.1+1 → 0.11.4+6Mar 24, 2016 Unknown
VersionChannelDateChangesSecurity
0.12.20 StableApr 27, 2026Changed10.12.19 StableFeb 27, 2026Changed20.12.18 StableNov 20, 2025Platform1New1Changed1Other20.12.17 StableOct 18, 2024Platform1Other10.12.16+1 StableDec 13, 2023Platform1Changed10.12.16 StableMay 2, 2023Breaking10.12.15 StableMar 22, 2023New10.12.14 StableDec 13, 2022Deprecated1New10.12.13 StableOct 25, 2022Platform1Changed1Other10.12.12 StableJun 15, 2022New1Other10.12.11 StableAug 12, 2021Changed1Fixed10.12.10 StableFeb 2, 2021Other10.12.10-nullsafety.3 DevNov 3, 2020Changed10.12.10-nullsafety.2 DevOct 23, 2020New10.12.10-nullsafety.1 DevSep 22, 2020New10.12.10-nullsafety DevJul 29, 2020Other10.12.9 StableJul 13, 2020Changed10.12.8 StableJun 16, 2020New10.12.6 StableOct 21, 2019Platform1Other20.12.5 StableMar 22, 2019Breaking1New1