v2.3.0: Immediate Callbacks
- Revalee.Client.Mvc library will recover state information on immediate callbacks.
- Revalee.Client.Mvc library supports callback cancellation.
- Revalee.Service supports multiple simultaneous instances.
- Improved callback retry handling and allows for user-specified retry intervals.
- Tasks are committed to disk before scheduling.
- Improved Revalee.Service shutdown handling.
- Various minor code refactoring.