# Release Notes for Superset 2.0 Superset 2.0 is a big step forward. This release cleans up many legacy code paths and feature flags, and deprecates lots of legacy behaviors in Superset. - [**Developer Experience**](#developer-experience) - [**Features**](#features) - [**Config and Feature flags**](#config-and-feature-flags) - [**Breaking Changes**](#breaking-changes) ## Developer Experience - Addition of a statsd gauge metric for Slack and email notifications for increased visibility into errors around alerts / reports ([#20158](https://github.com/apache/superset/pull/20158)) - Helm chart now supports resource limits and requests for each component ([#20052](https://github.com/apache/superset/pull/20052)) - New GitHub workflow to test Storybook Netlify instance nightly ([#19852](https://github.com/apache/superset/pull/19852)) - Minimum requirement for Superset is now Python 3.8 ([#19017](https://github.com/apache/superset/pull/19017)) ## Features **Charting and Dashboard Experience** Support for horizontal bar chart added ([#19918](https://github.com/apache/superset/pull/19918))  Time Series Charts now support stacking of both negative and positive values ([#20408](https://github.com/apache/superset/pull/20408))  - Pie charts now defaults to a row limit of 100 to prevent crashes when a high-cardinality column is chosen as the dimension ([#20392](https://github.com/apache/superset/pull/20392)) - World map chart now supports coloring either by metric or by the country column ([#19881](https://github.com/apache/superset/pull/19881)) - Table visualization now supports drag and drop for columns ([#19381](https://github.com/apache/superset/pull/19381)) - Mixed chart now supports Advanced Analytics ([#19851](https://github.com/apache/superset/pull/19851)) - Add support for generic x-axis (non-time-series) in the Mixed Chart ([#20097](https://github.com/apache/superset/pull/20097))  - Charts can now be created in Edit Dashboard mode ([#20126](https://github.com/apache/superset/pull/20126))  - Add aggregate total for Pie charts ([#19622](https://github.com/apache/superset/pull/19622)) - Legend is now enabled by default for relevant charts ([#19927](https://github.com/apache/superset/pull/19927)) **View Results Experience** - Explore and Dashboard views now support displaying of multiple results ([#20277](https://github.com/apache/superset/pull/20277)) - Results pane in Dashboard view now more closely mirrors rich functionality from Results pane in Explore ([#20144](https://github.com/apache/superset/pull/20144)) **Quality of Life** - Edit Dataset modal now doesn't close when you click away ([#20278](https://github.com/apache/superset/pull/20278)) - When editing the label in the Metrics popover, pressing Enter now saves what you typed ([#19898](https://github.com/apache/superset/pull/19898)) - When adding new chart from the dashboard view, the dashboard name will now pre-fill ([#20129](https://github.com/apache/superset/pull/20129)) - Annotations now have an improved empty state ([#20160](https://github.com/apache/superset/pull/20160)) - Confirmational modal is now shown if user exits Explore without saving changes ([#19993](https://github.com/apache/superset/pull/19993)) - Explore popovers now close when the Escape key is pressed ([#19902](https://github.com/apache/superset/pull/19902)) - Run and Save buttons are redesigned for improved usability ([#19558](https://github.com/apache/superset/pull/19558)) **Databases** - Native database driver for Databricks ([#20320](https://github.com/apache/superset/pull/20320)) - Time grains for SQLite are now simplified ([#19745](https://github.com/apache/superset/pull/19745)) - Multiple upgrades to the Trino database engine ([#20152](https://github.com/apache/superset/pull/20152)) - Switch from sqlalchemy-trino to trino-python-client ([#19957](https://github.com/apache/superset/pull/19957)) - Apache Pinot now supports more time grains in Superset ([#19724](https://github.com/apache/superset/pull/19724)) **Jinja** - New Jinja macro enables querying / referencing both physical and virtual datasets in SQL Lab ([#15241](https://github.com/apache/superset/pull/15241)) - New Jinja macro added to improve experience of including multiple items ([#19574](https://github.com/apache/superset/pull/19574)) **Other** - Datasets can now be filtered by their certification status ([#20136](https://github.com/apache/superset/pull/20136)) ## Config and Feature Flags - Initial implementation of advanced types ([#18794](https://github.com/apache/superset/pull/18794)) - Flag: `ENABLE_ADVANCED_DATA_TYPES` - Caching can now be enabled in database setups when user impersonation is enabled ([#20114](https://github.com/apache/superset/pull/20114)) - Flag: `CACHE_IMPERSONATION` - Control behavior for how color palettes are chosen ([#19987](https://github.com/apache/superset/pull/19987)) - Flag: `USE_ANALAGOUS_COLORS` - Enabling non-time-series x-axis in some charts ([#20097](https://github.com/apache/superset/pull/20097)) - Flag: `GENERIC_CHART_AXES` - As part of the 2.0 cleanup efforts, the following feature flags were removed (which means the behavior is now permanently enabled): - `ROW_LEVEL_SECURITY` - `ENABLE_REACT_CRUD_VIEWS` - `PUBLIC_ROLE_LIKE_GAMMA` - The following feature flags are now True by default, but can be turned back to False: - `ENABLE_EXPLORE_DRAG_AND_DROP` - `ENABLE_DND_WITH_CLICK_UX` - `DISABLE_LEGACY_DATASOURCE_EDITOR` - `SQLLAB_BACKEND_PERSISTENCE` - `VERSIONED_EXPORT` - The following config flags were removed: - `APP_ICON_WIDTH` - A number of legacy interim flags were removed around SIP-15 ([#18936](https://github.com/apache/superset/pull/18936)) - The `ENABLE_JAVASCRIPT_CONTROLS` flag was moved from an app config to a feature flag ## Breaking Changes To learn more about the breaking changes in 2.0, please read [UPDATING.MD](https://github.com/apache/superset/blob/master/UPDATING.md)