15.26. Release 0.104

General Changes

Handle thread interruption in StatementClient.
Fix CLI hang when server becomes unreachable during a query.
Add covar_pop(), covar_samp(), corr(), regr_slope(), and regr_intercept() functions.
Fix potential deadlock in cluster memory manager.
Add a visualization of query execution timeline.
Allow mixed case in input to from_hex().
Display “BLOCKED” state in web UI.
Reduce CPU usage in coordinator.
Fix excess object retention in workers due to long running queries.
Reduce memory usage of array_distinct().
Add optimizer for projection push down which can improve the performance of certain query shapes.
Improve query performance by storing pre-partitioned pages.
Support TIMESTAMP for first_value(), last_value(), nth_value(), lead() and lag().