# v1.1.0 Released on 2016-01-24. Bug-fix and feature release. All changes are backward-compatible. - Improves floating-point round-tripping, adds a `get_ref` accessor for stored values, and introduces runtime [assertions](../../features/assertions.md). [Full release notes](https://github.com/nlohmann/json/releases/tag/v1.1.0). ## API changes