The following pages document the features that have changed in Scala 3, compared to Scala 2.

Table of Contents

• Numeric Literals
• Programmatic Structural Types
• Rules for Operators
• Wildcard Arguments in Types
• Imports
• Changes in Type Inference
• Changes in Implicit Resolution
• Implicit Conversions
• Changes in Overload Resolution
• Match Expressions
• Vararg Splices
• Pattern Bindings
• Option-less pattern matching
• Automatic Eta Expansion
• Changes in Compiler Plugins
• Lazy Vals Initialization
• Main Methods
• Escapes in interpolations