Features & Improvements

• Data Query: Added list display for available DataNode nodes
• Data Query: Added a system table for statistics on query latency in the table model
• Data Query: Python SessionDataset supported converting TsBlock to DataFrame and returning DataFrame in batches
• Storage Management: Supported custom column names for the TIME column
• Storage Management: Supported viewing the complete definition statement of created tables/views via SQL
• System Management: Added a system table for DataNode node connection status in the table model
• Stream Processing: Pipe synchronization supported excluding specified devices / measurement points
• Stream Processing: Supported specifying multiple exact paths in the path parameter of tree model data synchronization pipe statements
• Stream Processing: Supported comma-separated mixed use of source.pattern and source.path parameters when filtering paths in Pipe
• AI Management: Built-in Chronos-2 model supports prediction functions.
• AI Management: Built-in Timer-XL and Sundial models supported concurrent inference
• Others: Fixed security vulnerabilities CVE-2025-12183, CVE-2025-66566, and CVE-2025-11226
• ...

Bugs

• Fixed the issue where the result set returned by the query was empty after last cache hit.
• Fixed the issue where reverse query with time filter conditions might miss partial data when a sequence in the memtable contained more than 200,000 points in TVList.
• Fixed the issue that aligned time series query timed out because canSkip failed to filter out firstTimeseriesMetadata.
• Fixed the issue where the result returned by LAST query with alias should be adjusted to the measurement alias.
• Fixed the issue where time filter conditions incorrectly filtered valid data in latest point query under specific cases.
• Fixed the issue that deletion would fail if performed immediately after a failed write operation.
• Fixed the potential NPE issue when using the active load function to load TsFiles that use non-default time columns.
• ...

New Contributors

• @Adam-chengzhuo made their first contribution in #16913
• @ZhaoShuai-Buyi made their first contribution in #17013

Full Changelog: v2.0.7...v2.0.8