BC/1.18 is a version of the Teko programming language that was released in April 2020. It is an imperative and object-oriented language that is designed for creating robust and secure applications. It features strong data types, structured programming features, and safe memory management. BC/1.18 adds several new features, including support for generic types, immutable values, and the removal of certain system types from the language core. It also introduces improved support for web development, with the addition of an HTTP library, improved HTML templating, and the introduction of a JSON library. It also includes improved support for distributed application development, such as support for distributed queues, RPC, and APIs.