zuul/releasenotes/notes/pipeline-supercedes-ba622ac...

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---
features:
- |
Pipelines may now indicate that they supercede other pipelines with the
:attr:`pipeline.supercedes` attribute.
When a change is enqueued in a pipeline which supercedes others,
it will be removed from the other pipelines. For example, a
:term:`gate` pipeline may supercede a :term:`check` pipeline so
that test resources are not spent running near-duplicate jobs
simultaneously.