| 2026Q1 | - Storage: batch tag modification, dynamic adjustment of last cache LRU
- Query: subqueries, external windows, ANY/SOME/ALL/EXISTS operators, window and interpolation enhancements, Explain and ShowQueries optimization
- Virtual Tables: virtual table query performance optimization, subscription to virtual table metadata changes, validation of references between virtual tables and source tables
- Stream: triggering by natural week/month/quarter/year, true_for conditions for event and state window triggers support duration and count, grouped computation performance optimization, virtual supertable triggering supports child table additions/deletions/modifications
|
| 2026Q2 | - Storage: multi-replica leader switching and node recovery optimization, last cache optimization (such as forced refresh, multi-column write optimization, specified column caching)
- Query: federated query demo version, relaxed window query restrictions, time windows support week/month/quarter/year, Interp performance improvement
- Functions: window functions and OVER clause
- Virtual Tables: virtual table inheritance, virtual tables referencing virtual tables, virtual supertable column name modification
- Stream: performance optimization for multiple customer scenarios, performance optimization for multi-measurement point scenarios, historical computation performance optimization, virtual table triggering performance optimization
- TDgpt: model lifecycle management, predictive maintenance, minute-level timezone support
|
| 2026Q3 | - Storage: improved data splitting and migration performance, data reorganization without affecting writes, disk rate limiting
- Query: official release of federated queries, complex query performance optimization, scalar correlated subqueries, cumulative windows, SQL testing tools
- Functions: 15 customer-requested functions
- Virtual Tables: subscription to virtual table data through continuous queries
- Stream: maintainability improvement
- Others: TDgpt supports PCA, PLS, cluster analysis
|
| 2026Q4 | - Storage: full and incremental backup, TEXT data type, variable-length string data type, database name modification, column name modification
- Query: further enhancement of join queries, query parallelization, addition of observability metrics
- Functions: support for MySQL operators and functions, UDF function framework refactoring
- Others: engine CPU and memory management
|