The release docker images now use Debian 8.9 (instead of 8.7) #18755
SQL Language Changes
The IMPORT command is now considered an experimental feature and must be enabled before use with the cluster setting experimental.importcsv.enabled. #18753
The cluster settings beginning with sql.defaults.distsql.tempstorage have been renamed to begin with sql.distsql.temp_storage. #18487
The new sql.distsql.temp_storage.workmemcluster setting sets the memory threshold at which a DistSQL processor falls back to on-disk storage. Defaults to 64MiB. #18487
The SHOW JOBS statement no longer shows numeric descriptor IDs. #18797
Command-Line Interface Changes
The new --max-disk-temp-storage flag for the cockroach start command controls how much disk space can be used for temporary storage. #18761
The cockroach load csv command now increases its soft limit on the number of open file descriptors when possible. #18678
The cockroach init command now provides a better error message when run on an already-initialized cluster. #18548
Admin UI Changes
Reduced false positives when marking nodes as "suspect". #18563
The Jobs page can now be limited to import jobs. #18615
The Keys Written per Second per Store graph on the Replication dashboard is now accurate. #18800
Fixed the display of the number of indexes per table. #18769
Bug Fixes
Fixed a bug in which queries using DISTINCT or GROUP BY could return incorrect results. #18727
After some results have been streamed to the client, queries are no longer auto-retried. #18515#18569
The TRUNCATE statement now works correctly on tables in the middle of a schema change (the schema change finishes immediately on the now-empty table). #18549
Fixed a panic in tableState.findForTimestamp#18557
Fixed a bug in which importing a CSV would fail to report unique constraint violations. #18563
Fixed a bug when importing a CSV into a table with multiple column families. #18563