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base repository: reactiveui/ReactiveUI
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base: 25.0.0
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head repository: reactiveui/ReactiveUI
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compare: 25.0.1
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  • 1 commit
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Commits on Sep 27, 2026

  1. build(deps): bump ReactiveUI.Binding to 8.6.0 (#4528) 

    ## Summary

**ReactiveUI now builds against ReactiveUI.Binding 8.6.0, which lets you
ask an interaction as an observable again.**

- `BindingVersion` in `Directory.Packages.props` is now `8.6.0`.
- `IInteraction<TInput, TOutput>.Handle(TInput)` returns
`IObservable<TOutput>`, as it did in ReactiveUI 24.
- `Interaction<TInput, TOutput>.WhenHandled(TInput)` returns the
question as a cold observable.
- `new Interaction<TInput, TOutput>(handlerScheduler)` runs each handler
on that scheduler, such as `RxSchedulers.MainThreadScheduler`.
- `Interaction<TInput, TOutput>.Handle(TInput)` still returns
`Task<TOutput>`, so code written against 25.0.0 keeps compiling.

## Why

**Moving `Interaction` into ReactiveUI.Binding changed its API by
accident in 25.0.0.** Code upgrading from ReactiveUI 24 that subscribed
to `Handle`, used it in an observable chain, or passed a handler
scheduler stopped compiling. ReactiveUI.Binding 8.6.0
(reactiveui/ReactiveUI.Binding.SourceGenerators#151) restores it.

## Breaking changes

**None for code that uses or derives from `Interaction<TInput,
TOutput>`.** A class that implements `IInteraction<TInput, TOutput>`
itself must implement `Handle(TInput)` returning `IObservable<TOutput>`.
Nothing in this repository does.

## How this was verified

**Every Linux-runnable core test project passes on net10.0 against the
released 8.6.0 packages.**

- `ReactiveUI.Tests` (879), `ReactiveUI.Tests.Reactive` (881),
`ReactiveUI.AOT.Tests` (39), `ReactiveUI.Testing.Tests` (57) and
`ReactiveUI.Builder.Tests` (184) pass.
- The Windows-only and device projects are left to CI.

## Checklist
- [x] I have read the [Contribute
guide](https://www.reactiveui.net/contribute/index.html)
- [x] The PR title follows [Conventional
Commits](https://www.conventionalcommits.org/)
- [x] Tests cover this change, or the summary says why they do not
- [x] New or changed public API has XML documentation
    @glennawatson
    glennawatson authored Sep 27, 2026
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