alpha

Datasette 1.0a28 alpha release fixes compatibility bugs and resource management issues discovered in the previous alpha, including fixes for execute_write_fn() callbacks, database cleanup methods, and a new pytest plugin for automatic cleanup in tests.

Datasette 1.0a27 released with major security improvements (modern CSRF headers), new RenameTableEvent for plugin compatibility, and various API enhancements including improved upsert handling and database locking fixes.