0.64

• Datasette now strongly recommends against allowing arbitrary SQL queries if you are using SpatiaLite. SpatiaLite includes SQL functions that could cause the Datasette server to crash. See SpatiaLite for more details.
• New default_allow_sql setting, providing an easier way to disable all arbitrary SQL execution by end users: datasette --setting default_allow_sql off. See also Controlling the ability to execute arbitrary SQL. (#1409)
• Building a location to time zone API with SpatiaLite is a new Datasette tutorial showing how to safely use SpatiaLite to create a location to time zone API.
• New documentation about how to debug problems loading SQLite extensions. The error message shown when an extension cannot be loaded has also been improved. (#1979)
• Fixed an accessibility issue: the <select> elements in the table filter form now show an outline when they are currently focused. (#1771)