Eclipse JDT LS 1.43.0

The following are the main new features a part of this release :

• enhancement - Add code lens for interface / abstract method implementations
  • java.implementationCodelens.enabled replaced by java.implementationCodeLens
  • Values for new setting are "none", "types", "methods", "all"
• enhancement - Add quick fix for sealed class within empty switch expression
• enhancement - Support code assist on unresolved types

See https://github.com/eclipse/eclipse.jdt.ls/milestone/135?closed=1 for more details.