v6.0.0-alpha.6

6.0.0-alpha.6 (2022-02-02)

Features

• require TypeScript >=4.5 (766597b)
• set exactOptionalPropertyTypes option (1ecdbd9)
• set noImplicitOverride option (c8ab892)

BREAKING CHANGES

• undefined is no longer assignable to optional properties, unless the type of the
  property explicitly includes undefined. See
  https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-4.html#exact-optional-property-types---exactoptionalpropertytypes
• Methods that override a method from a base class must now be marked with the
  override keyword. See:
  https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-3.html#override-and-the---noimplicitoverride-flag
• TypeScript >=4.5 is now required.