Add support for calling connector-defined procedures using CALL.
Add System connector procedure for killing running queries.
Properly expire idle transactions that consist of just the start transaction statement and nothing else.
Fix possible deadlock in worker communication when task restart is detected.
Performance improvements for aggregations on dictionary encoded data. This optimization is turned off by default. It can be configured via the
optimizer.dictionary-aggregationconfig property or the
Add sticky headers and the ability to sort the tasks table on the query page in the web interface.