Are Kotlin versions backwards compatible?

Backward Compatibility The Android SDK is by default forward compatible but not backward compatible — this means that an app that is built with and supports a minimum SDK version of 3.0 can be installed on any device running Android versions 3.0 and upwards — but not on devices running Android versions below 3.0.

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Is Kotlin used in 2021?

A greater proportion of Kotlin developers are using libraries and frameworks in 2021 than before . The popularity of the top Kotlin libraries created by JetBrains is increasing. Coroutines, the most popular library, has increased its share by 10 percentage points since last year.

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