I don't see any reason it wouldn't be compatible, although you (or someone) would need to provide a styles implementation that matched bootstrap styling - you couldn't just drop bootstrap's css in and have react-select automatically pick up the styles.
For the record, I would be happy for people to contribute "theme" presets to react-select v2 that would fit in with other popular ui styles like bootstrap / material design / etc.
What is "theme" presets @JedWatson? I created a package with Bootstrap 3 styles for react-select v2. Can create a theme based on it. It still in progress though. I haven't checked all the cases yet.
@JedWatson @perevezencev
Guys, I am using Reactstrap ^5.0.0 + React Final Form ^3.4.0 and I needed to use react-select v1 to solve some issues.
I had to insert the code below to let the component with an appearance equal to Reactstrap.

My component:


Result:

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Most helpful comment
I don't see any reason it wouldn't be compatible, although you (or someone) would need to provide a
stylesimplementation that matched bootstrap styling - you couldn't just drop bootstrap's css in and have react-select automatically pick up the styles.For the record, I would be happy for people to contribute "theme" presets to react-select v2 that would fit in with other popular ui styles like bootstrap / material design / etc.