GIGAZINE

PostgreSQL 16 is released, with a lot of content such as performance improvements such as up to 300% improvement in COPY performance and enhancement of logical replication ...

'JSON_ARRAY()', 'JSON_ARRAYAGG()', 'IS JSON', etc. have been added. ・Supports various number expressions Underscores can now be used as delimiters, such as ``5_432_000'', as well as expressions other ...
GitHub

PostgreSQL Wire Protocol: Can't parse date/time string literal with JSON format {"nanosecondsDelta":0}

Suggested Fix Detect and convert JSON-format timestamp objects to standard timestamp strings in the PostgreSQL Wire Protocol serialization layer (date_parser.rs or dataframe.rs).