- support for nested SUTs
- separation of frameworks and runners
- initial release of plugin API
- slave and cli modules migrated to plugin API
- ct framework migrated to plugin API
- longnames support migrated to plugin API
- remote/ssh process support via plugin API
- declarative, per-node, per-scope tracing
- support for parallel test runs
- support for parallel node starts
- proper resource handling (see https://github.com/nebularis/systest/wiki/The-Big-Refactor)