This release significantly improves the data distribution in rule
based stateful testing <stateful_testing>, by using a technique called
Swarm Testing (Groce, Alex, et al. "Swarm testing." Proceedings of the
2012 International Symposium on Software Testing and Analysis. ACM,
2012.) to select which rules are run in any given test case. This
should allow it to find many issues that it would previously have
missed.
This change is likely to be especially beneficial for stateful tests
with large numbers of rules.
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