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.
Addition of a statsd guage metric for Slack and email notifications for increased visibility into errors around alerts / reports (#20158)
Helm chart now supports resource limits and requests for each component (#20052)
New Github workflow to test Storybook Netlify instance nightly (#19852)
Minimum requirement for Superset is now Python 3.8 (#19017
Charting and Dashboard Experience
Support for horizontal bar chart added (#19918)
Time Series Charts now support stacking of both negative and positive values (#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)
World map chart now supports coloring either by metric or by the country column (#19881)
Table visualization now supports drag and drop for columns (#19381)
Mixed chart now supports Advanced Analytics (#19851)
Add support for generic x-axis (non-time-series) in the Mixed Chart (#20097)
Add aggregate total for Pie charts (#19622)
Legend is now enabled by default for relevant charts (#19927)
View Results Experience
Explore and Dashboard views now support displaying of multiple results (#20277)
Results pane in Dashboard view now more closely mirrors rich functionality from Results pane in Explore (#20144)
Quality of Life
Edit Dataset modal now doesn't close when you click away (#20278)
When editing the label in the Metrics popover, pressing Enter now saves what you typed (#19898)
When adding new chart from the dashboard view, the dashboard name will now pre-fill (#20129)
Annotations now have an improved empty state (#20160)
Confirmational modal is now shown if user exits Explore without saving changes (#19993)
Explore popovers now close when the Escape key is pressed (#19902)
Run and Save buttons are redesigned for improved usability (#19558)
Databases
Native database driver for Databricks (#20320)
Time grains for SQLite are now simplified (#19745)
Multiple upgrades to the Trino database engine (#20152)
Switch from sqlalchemy-trino to trino-python-client (#19957)
Apache Pinot now supports more time grains in Superset (#19724)
Jinja
New Jinja macro enables querying / referencing both physical and virtual datasets in SQL Lab (#15241)
New Jinja macro added to improve experience of including multiple items (#19574)
Other
Initial implementation of advanced types (#18794)
ENABLE_ADVANCED_DATA_TYPESCaching can now be enabled in database setups when user impersonation is enabled (#20114)
CACHE_IMPERSONATIONControl behavior for how color palettes are chosen (#19987)
USE_ANALAGOUS_COLORSEnabling non-time-series x-axis in some charts (#20097)
GENERIC_CHART_AXESAs part of the 2.0 cleanup efforts, the following feature flags were removed (which means the behavior is now permanently enabled):
ROW_LEVEL_SECURITYENABLE_REACT_CRUD_VIEWSPUBLIC_ROLE_LIKE_GAMMAThe following feature flags are now True by default, but can be turned back to False:
ENABLE_EXPLORE_DRAG_AND_DROPENABLE_DND_WITH_CLICK_UXDISABLE_LEGACY_DATASOURCE_EDITORSQLLAB_BACKEND_PERSISTENCEVERSIONED_EXPORTThe following config flags were removed:
APP_ICON_WIDTHA number of legacy interim flags were removed around SIP-15 (#18936)
The ENABLE_JAVASCRIPT_CONTROLS flag was moved from an app config to a feature flag
To learn more about the breaking changes in 2.0, please read UPDATING.MD