# [1.4.0](https://github.com/EricSmekens/jsep/compare/v1.3.9...v1.4.0) (2024-11-05) ### Bug Fixes * add license file to build output ([f6678fb](https://github.com/EricSmekens/jsep/commit/f6678fb0869188e9c9575fed231864f75e99af74)), closes [#267](https://github.com/EricSmekens/jsep/issues/267) ### Features * add nullish coallescing (??) and exponentiation (**) binary_ops ([7321a7b](https://github.com/EricSmekens/jsep/commit/7321a7be17e48868495a177e7ab3e690fdf84c9f)), closes [#268](https://github.com/EricSmekens/jsep/issues/268)