1.5.0.pre.1

Release note

Type checker core

• Refactor occurrence typing (#831)
• Better flow-sensitive typing (#825)
• Fix interface type inference (#816)
• Make nth_ref and :back_ref nodes optional (#815)
• Add new diagnostic for setter methods (#809)
• Better hint type handling given to lambda (#807)
• Fix type assertion parsing error (#805)
• Distribute untyped to block params (#798)
• Should escape underscore for method name (#770)

Commandline tool

• Ensure at least one type check worker runs (#814)
• Improve worker process handling (#801)
• Add Steep::Diagnostic::Ruby.silent template to suppress all warnings (#800)
• Suppress UnsupportedSyntax warnings by default (#799)
• Infer method return types using hint (#789)
• Handling splat nodes in super (#788)
• Add handling splat node in tuple type checking (#786)
• Let return have multiple values (#785)
• Remove trailing extra space from Steepfile generated by steep init (#774)

Language server

• Fix signature help is not shown for the optional chaining (&.) (#832)
• Completion in annotations (#818)
• Implement go to type definition (#784)

Miscellaneous

• Typecheck sources (#820)
• Relax concurrent-ruby requirement (#812)