4.27.0 (2021-06-14)

Bug Fixes

• eslint-plugin: allow explicit any for no-unsafe-return (#3498) (b15a2b2)
• typescript-estree: allow providing more one than one existing program in config (#3508) (4f1806e)
• typescript-estree: support override modifier for parameter property (#3485) (33b9f69)

Features

• ast-spec: specify LogicalExpression's operator type (#3497) (9e343fd)
• ast-spec: specify PunctuatorToken's value type (#3496) (fdb1d81)
• eslint-plugin: [prefer-literal-enum-member] add allowBitwiseExpressions option (#3515) (288092a)
• typescript-estree: add opt-in inference for single runs and create programs for projects up front (#3512) (06c2d9b)
• allow user to provide TS program instance in parser options (#3484) (e855b18)

Single-Run Detection

See the explanation for how to opt-in to this feature and how to provide feedback in this issue: #3528