Kotlin language changes ↩
| Issue | Component | Incompatibility | Summary |
|---|---|---|---|
| KT-46860 | Core | Source | The type of safe call result is always nullable, even when the receiver of the safe call is non-nullable. |
| KT-41124 | Core | Source | Prohibit access to uninitialized enum entries from the enum static initializer block when these entries are qualified with the enum name. |
| ... (wip) |
Reference: Compatibility guide for Kotlin 1.7.
| Issue | Component | Incompatibility | Summary |
|---|---|---|---|
| KT-47709 | Core | Source | Warn about the when statement with a non-exhaustive enum, sealed, or Boolean subject |
| ... (wip) |
Reference: Compatibility guide for Kotlin 1.6.
| Issue | Component | Incompatibility | Summary |
|---|---|---|---|
| KT-27825 | Core | Source | Outlaw non-abstract classes containing abstract members invisible from that classes. |
| KT-31227 | Core | Source | Outlaw using array based on non-reified type parameters as reified type arguments on JVM. |
| KT-31567 | Core | Source | Outlaw references to the underscore symbol (_) that is used to omit parameter name of an exception in the catch block. |
| KT-33917 | Core | Source | Outlaw exposing anonymous types from private inline functions. |
| KT-35224 | Core | Source | Outlaw passing non-spread arrays after arguments with SAM-conversion. |
| KT-35226 | Core | Source | Outlaw usage of spread operator (*) on signature-polymorphic calls. |
| KT-35870 | Core | Source | Outlaw secondary enum class constructors which do not delegate to the primary constructor. |
| ... (wip) |
Reference: Compatibility guide for Kotlin 1.5.