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Release Notes
Release notes and compatibility changes for DolphinDB server, plugins and APIs
API
Java API
1.30.22.3

Deployment
Deploy and upgrade DolphinDB on premise or in the cloud
Database
Design and configure DolphinDB databases
Streaming
Publish, subscribe to, and process streaming data
Migration
Import and migrate data from various data sources to DolphinDB databases
Maintenance
Database maintenance and system management
Programming Guide
DolphinDB scripting language and SQL reference
Function References
Reference for all built-in functions
API & Connector
API in different languages for users to call DolphinDB from their programs
Plugins
Guidance on the use of plugins and plugin development for multiple application scenarios
Tutorials
Tutorials on database concepts and application scenarios
Release Notes
Release notes and compatibility changes for DolphinDB server, plugins and APIs

1.30.22.3

New Features

Added support for constructing data of BasicDecimal32 and BasicDecimal64 types from strings.
Added support for calling the JSONObject.toJSONString method from fastjson library to serialize DolphinDB data types defined in the Java API.
The add method of the BasicDecimal32Vector and BasicDecimal64Vector classes now supports data of String type.
The addRange method of the BasicDecimal32Vector and BasicDecimal64Vector classes now supports String arrays.
The API will connect to a random low-load node if high availability is enabled.
New constructor methods have been added to instantiate some data types, including BasicDouble, BasicFloat, BasicInt, BasicLong, BasicShort, and BasicByte.

Improvements

Reduced the JAR file size for DolphinDB Java API dependencies.
Renamed tableAppneder to AutoFitTableAppender.
Optimized the ErrorCodeInfo code, and changed its access modifier to public.
Upgraded FastJson to version 2.0.33.