Supports builtins out of the box. You can also Load Symbols to get intellisense for the tables and functions on your cluster.
Diagnostics are also available, but are not yet fully supported and are disabled by default. Diagnostics are the red squiggly underlines / the items in the Problems tab.
Future Extensions
Deploy with Kustodian
Check your functions, tables, and policies into source. Deploy them with Kustodian.
Run this Query
Open Kusto Web Explorer and run the selected query
Changelog
See CHANGELOG.md
Bugs
Please file bugs and suggestions in the issue tracker.