Examples of Good Issue Titles

No error issued when supertype is used in place of subtype
Incorrect error issued when using class where expression is expected
Poor error message when comparing string literal types
Incorrect type inferred to initialized class property
Incorrect formatting with array of object literals
Missing member in completion list on 'this' in interface when base type is intersection type
Suggestion: Don't issue errors when modules aren't resolved
Property of union type not narrowed in 'else' block
Inferred type of default export is missing index signature
Crash when accessing property declared in JSDoc
Comments missing in emit for switch block

Examples of Unacceptable Issue Titles