<PackageReference Include="System.Reactive" Version="7.0.0-preview.1" />

System.Reactive.Concurrency.NewThreadScheduler

public static NewThreadScheduler Default { get; }

public NewThreadScheduler(Func<ThreadStart, Thread> threadFactory)

public IDisposable ScheduleLongRunning<TState>(TState state, Action<TState, ICancelable> action)

public IDisposable SchedulePeriodic<TState>(TState state, TimeSpan period, Func<TState, TState> action)