New Features

1. Proxy: Supports dbcp and c3p0 connection pools
2. Metadata: Standalone mode adapts to metadata new structure
3. Governance: Governance supports register instance level data source

Enhancements

1. Mode: Improve Standalone mode JDBC type impl reset data on initialization
2. Scaling: Isolate ShardingSphereDataSource Standalone repository in pipeline
3. Scaling: Disable system-schema-metadata-enabled in pipeline
4. JDBC: Move jdbc core META-INF/services/java.sql.Driver from test to main
5. Scaling: Add algorithm columns in SHOW MIGRATION CHECK ALGORITHMS DistSQL result
6. Scaling: Add type_aliaes column in SHOW MIGRATION CHECK ALGORITHMS DistSQL result
7. Encrypt: Add duplicate name check for derived columns and logical columns
8. Encrypt: Deny DDL for cipher columns in Proxy
9. Encrypt: Add the default type for derived columns to varchar(4000)

Bug Fixes

1. Scaling: Fix get inventory position not correctly on breakpoint resuming when table names are similar
2. Scaling: Fix CDC importer not start on breakpoint resuming when first inventory task is finished
3. Single Table: Fix not switched active version when CREATE/DROP table modifies the Single rule configuration
4. JDBC: Fix JDBC memory leak with MySQL in the 5.4.0 version

Change Log

1. MILESTONE