What's Changed
* [IMPORTANT] Refactoring, Krkn Scenario Plugin API introduction by tsebastiani in https://github.com/krkn-chaos/krkn-lib/pull/123
* Litmus and cluster events deprecation by tsebastiani in https://github.com/krkn-chaos/krkn-lib/pull/126
**Full Changelog**: https://github.com/krkn-chaos/krkn-lib/compare/v3.1.2...v4.0.0