What's Changed
* Make choice of aggregator dynamic at session level and additional aggregators (FedOpt) by ahellander in https://github.com/scaleoutsystems/fedn/pull/498
* Fixes the issue with number of files/storage growing on combiner by ahellander in https://github.com/scaleoutsystems/fedn/pull/503
* Use latest mongodb and bump version number by ahellander in https://github.com/scaleoutsystems/fedn/pull/502
* Feature/cross device simulation by ahellander in https://github.com/scaleoutsystems/fedn/pull/504
* Add docker compose override file for async example by ahellander in https://github.com/scaleoutsystems/fedn/pull/505
* Docs/SK-646 | Add aggregators and helpers by Wrede in https://github.com/scaleoutsystems/fedn/pull/508
* Feature/SK-634 | Add logging to controller by ahellander in https://github.com/scaleoutsystems/fedn/pull/506
* Feature/SK-622 | Session object should store committed_at in date format by niklastheman in https://github.com/scaleoutsystems/fedn/pull/510
* Feature/retire dashboard by ahellander in https://github.com/scaleoutsystems/fedn/pull/509
* Feature/SK-660 | Clean up numpyhelper from unused methods by Wrede in https://github.com/scaleoutsystems/fedn/pull/512
* Docs update to reflect recent refactoring by ahellander in https://github.com/scaleoutsystems/fedn/pull/511
* Link to docs tutorial from main readme by ahellander in https://github.com/scaleoutsystems/fedn/pull/519
* Updated FAQ docs by ahellander in https://github.com/scaleoutsystems/fedn/pull/518
* Feature/SK-658 | Add gRPC healthchecking by ahellander in https://github.com/scaleoutsystems/fedn/pull/515
* Bugfix/SK-673 | start_session endpoint should have delete_models=True by Wrede in https://github.com/scaleoutsystems/fedn/pull/521
* Feature/SK-667 | Add new Android helper to Fedn by niklastheman in https://github.com/scaleoutsystems/fedn/pull/524
* Bug/SK-680 | Android helper imports helper base incorrectly by niklastheman in https://github.com/scaleoutsystems/fedn/pull/525
* Feature/SK-676 | If no compute package is set when starting a session, Fedn should say so by niklastheman in https://github.com/scaleoutsystems/fedn/pull/522
* Feature/SK-623 | Validations objects should store proper timestamp by niklastheman in https://github.com/scaleoutsystems/fedn/pull/526
* Feature/SK-684 | Events should store proper timestamps by niklastheman in https://github.com/scaleoutsystems/fedn/pull/527
* Bugfix/SK-675 | Model staging not in sync, TaskStream by Wrede in https://github.com/scaleoutsystems/fedn/pull/523
**Full Changelog**: https://github.com/scaleoutsystems/fedn/compare/v0.7.1...v0.8.0