Kotlin 1.7.0 has been released, introducing the new kotlin К 2 compiler

Kotlin 1.7.0 already Release La . The new version introduces a new Kotlin/JVM K2 Compiler Alpha edition , Stabilized language features , And for JVM、JS and Native The platform brings performance improvements .

The following are the major updates to this release ：

• new Kotlin К2 The compiler is now in Alpha Stage , It provides significant performance improvements . It only applies to JVM, Include kapt It is not available to all compiler plug-ins including .
• Gradle A new method of incremental compilation in . Incremental compilation is now also supported in dependent non Kotlin Make changes in the module , And with Gradle compatible .
• It's stable Added optional requirement notes 、 Absolutely non nullable type   and   The builder infers .
• Now there is a be used for args Underscore operator of type . You can use it when specifying other types Automatically infer parameter types .
• This version Allow to delegate （delegation） Implement the inline value of the inline class . You can now create lightweight wrappers that do not allocate memory in most cases .

Read here  Kotlin 1.7.0 New features in Complete change list .

Other content ：

• Updated Kotlin The roadmap