v3.4.0¶

Released on 2018-10-30.

Feature release. All changes are backward-compatible.

• Adds BSON read/write support.
• Adds configurable Unicode error handlers to dump (throw, replace with U+FFFD, or ignore) and the NLOHMANN_JSON_SERIALIZE_ENUM macro for enum conversion.
• Improves parse-error messages with line/column positions and context.

Full release notes.

API changes¶

Added (3 pages):

• basic_json: error_handler_t, from_bson, to_bson

Changed:

• basic_json::dump: Error handlers added in version 3.4.0.
• json_sax::key: BSON is only supported from version 3.4.0, and BON8 only from version 3.13.0 unreleased.