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RxScala v0.25.0 Release Notes

Release Date: 2015-06-08 // almost 9 years ago

  • 🚀 This release upgrades RxJava to 1.0.11 along with the following enhancements:

    • 🗄 Deprecate ExperimentalAPIs and use @Experimental/@Beta annotations directly. Unstable APIs wil be labeled Experimental/Beta in Scaladoc.
    • 🔄 Change error[T] to error: Observable[Nothing]
    • ➕ Add TestSubscriber and its examples. Writing unit tests is much easier now. See TestSubscriberExample for examples.
    • ➕ Add onBackpressureLatest and variants of flatMap and using.
    • ➕ Add more experimental methods of Subject.
    • 📦 Move examples to examples package: https://github.com/ReactiveX/RxScala/tree/0.x/examples/src/test/scala/examples
    • 🛠 Some document fixes

    Migration from 0.24.1 to 0.25.0

    🚚 Observable.error does not have a type parameter any more. Please remove the type parameter of Observable.error in your codes.
    Sometimes removing the type parameter may break your codes. E.g.,

    val x = Observable.error[Int](new RuntimeException("Oops")).toBlocking.single println(x + 1)

    🚚 It won't be compiled if Int is removed. For these cases, you can add the explicit type to the variable and make the compiler happy, such as

    val x: Int = Observable.error(new RuntimeException("Oops")).toBlocking.single println(x + 1)

    🚚 ExperimentalAPIs is deprecated. It's not a breaking change, but we plan to remove ExperimentalAPIs in 0.26.0. If you are using ExperimentalAPIs,
    🚚 please recompile your codes and fix them as per the deprecated messages provided by the compiler as soon as possible. Once ExperimentalAPIs is removed,
    🗄 you won't get the deprecated messages.

    Pull Requests

    • ⚡️ Pull 157 Update the out-of-date example in "Notification" doc
    • 📚 Pull 159 Correct documentation for Observable.merge
    • 📚 Pull 162 Fixed minor documentation typo
    • ⚡️ Pull 163 Update to Scala 2.10.5 / 2.11.6
    • Pull 164 Change error[T] to error: Observable[Nothing]
    • ⚡️ Pull 166 Update to using RxJava 1.0.11
    • 🚚 Pull 168 Move examples
    • ✅ Pull 170 Add TestSubscriber

    Artifacts: Maven Central