-[`KT-16017`](https://youtrack.jetbrains.com/issue/KT-16017) More graceful error message for disabled features
-[`KT-16073`](https://youtrack.jetbrains.com/issue/KT-16073) Improved backward compatibility mode with version 1.0 on JDK dependent built-ins
-[`KT-16094`](https://youtrack.jetbrains.com/issue/KT-16094) Compiler considers API availability when compiling language features requiring runtime support
-[`KT-16171`](https://youtrack.jetbrains.com/issue/KT-16171) Fixed regression "Unexpected container error on Kotlin 1.0 project"
-[`KT-16199`](https://youtrack.jetbrains.com/issue/KT-16199) Do not import "kotlin.comparisons.*" by default in language version 1.0 mode
#### Various issues
-[`KT-16225`](https://youtrack.jetbrains.com/issue/KT-16225) enumValues non-reified stub implementation references nonexistent method no more
-[`KT-16291`](https://youtrack.jetbrains.com/issue/KT-16291) Smart cast works now when getting class of instance
-[`KT-16380`](https://youtrack.jetbrains.com/issue/KT-16380) Show warning when running the compiler under Java 6 or 7
### JavaScript backend
-[`KT-16144`](https://youtrack.jetbrains.com/issue/KT-16144) Fixed inlining of functions called through inheritor ("fake" override) from another module
