• Fixed
  • Fix ui.frame() overlapping other components inside a form card.
  • Fix form card component layout issues in Safari.
  • Improve layout of stats cards when 1-unit high.

• Added
  • Add on and handle_on APIs for query-handling and routing.
  • Add support for usage tracking via Google Analytics.
  • Use H2O_WAVE_APP_MODE environment variable to determine app sync behavior (as an alternative to @app(mode=...)).
  • Add experimental support for switching theme to a dark-mode "neon" theme.
• Changed
  • Stricter type validation for ui.* API parameters.
  • Stricter validation for non-empty strings when required (name of components, etc.)
• Fixed
  • Center breadcrumbs vertically in alloted space.
  • Fix breakages in Cypress test runner.
  • Fix ui.frame() sizing in Safari.
  • Fix rendering in Safari for cards that display circular progress bars.
  • Allow special characters in column names while using template strings for ui.plot()

• Added
  • Make all cards render responsively in both grid and flex layouts.
  • Add demo application that showcases various dashboards using flexible/responsive layouts.
  • Add ui.stats() and ui.stat() for displaying metrics inline in forms.
  • Add ui.section_card() to demarcate sections on a page, with optional nested components.
  • Add ui.stat_list_card() to display lists of metrics, with optional icons and links.
  • Add ui.stat_table_card() to display tables of metrics, with optional icons and links.
  • Add ui.inline() to nest and display components horizontally inside a form.
  • Add ui.footer_card() to display footers at the bottom of pages.
  • Allow form cards to have titles.
  • Allow disabling nav items.
  • Add support for color variable in plot color ranges.
  • Add support for color variable in plot shape/text fills and strokes.
  • Allow tabs inside forms to trigger hash change navigation.
  • Allow a tab card's selected tab to be accessed using the card's name.
  • Publish h2o-wave package to Conda.
  • Example for displaying background task completion using a progress bar.
  • Example for displaying Pandas frames as markdown tables.
  • Example for plotting Pandas frames.
  • OIDC refresh token is now accessible in the Python client.
  • Make documentation searchable.
  • Add table of contents for all Wave examples.
  • Add tags to all examples; show tag on an index page.
• Changed
  • Stats cards now dynamically resize to fit card size.
  • Picker now displays suggestion list in advance.
  • Center breadcrumbs vertically in flex layouts.
  • Plot cards now dynamically resize to fit.
  • Improve markdown rendering consistency across components.
  • Center tabs vertically when used in flex layouts.
  • Display tab cards without a background/padding.
  • Display toolbar cards without a background/padding.
  • Vega cards now dynamically resize to fit.
  • Improve spacing between components contained in an expander.
• Fixed
  • Fix Wave tour on Windows.
  • Fix responsive layout in Safari.
  • Fix bug where --no-reload of apps was using incorrect port.
  • Fix client-side warnings when using components nested recursively.
  • Close dialogs properly when the top X button is clicked.

• Added
  • Add support for responsive layouts.
  • Add support for modal dialogs.
  • Add ability to handle events from UI (q.events).
  • Allow handling mark selection events on plots.
  • Allow apps to handle server startup/shutdown events via on_startup and on_shutdown hooks.
  • Allow color picker to submit values immediately when changed (trigger attribute).
  • Allow collapsing nav items during initialization.
  • Handle display and sorting of numeric and time valued columns in ui.table().
  • Allow links/link-buttons to open links in new windows/tabs.
  • API now ships with enums for functions expecting predefined constants as parameters.
  • Read OIDC flags from env vars when available.
  • Automatically refresh OAuth2 access token in the background if expired.
  • Allow accessing OIDC access tokens in Python client.
  • Allow icons on navigation items.
  • Automatically transpose columns to rows in data() if not packed.
  • Allow adjust multiline textbox height.
  • Allow picker to submit values immediately when changed (trigger attribute).
  • Treat wave run foo/bar/baz.py as wave run foo.bar.baz.
  • Allow selecting nav links during initialization.
• Changed
  • Cards display a "raised" effect on mouse over; Header, tab, toolbar and navbar have alternate styles.
  • Display loading spinner automatically when a request is in flight.
  • Mark ui.command(data=...) as deprecated (use ui.command(value=...) instead, similar to ui.button(...).)
  • Remove redundant ui.* API for discriminated unions (ui.component(), etc.),
  • Add column headers to CSVs downloaded from ui.table(); remove row names.
  • Change default Wave server port from 55555 to 10101 (55555 is special on OSX Big Sur).
  • Center image in image card and preserve aspect ratio.
• Fixed
  • Improve ability of ui.frame() and ui.frame_card() to handle large HTML content.
  • Fix tour on Windows.
  • Use ellipsis on long column labels in ui.table()

Changed

• Product icons.

• Fixed
  • Make wave run behave identical to python -m h2o_wave run.

• Added
  • ASGI compatibility: Wave apps can now be run using an ASGI server.
  • @app decorator to identify primary query handler in an app.
  • Live-reload for apps.
  • New wave CLI and wave run command.
  • q.run() and q.exec() APIs for running background tasks.
  • Display server version/build at startup.
  • AsyncSite for updating other pages from an app without blocking the main thread.
  • Drop or clear pages from a site using del site[route].
• Changed
  • All HTTP calls now use non-blocking asyncio using the httpx library.
  • listen() is deprecated.
  • H2O_WAVE_INTERNAL_ADDRESS and H2O_WAVE_EXTERNAL_ADDRESS are deprecated.
  • An app's UI is now cleared when an app crashes or is terminated.
  • All examples migrated to use @app instead of listen().
  • Server binary renamed to waved (as in wave daemon).
  • Apps using @app must be run using wave run.
• Fixed
  • Performance and concurrency improvements across the board.
  • Stability improvements to the Wave Tour.

• Fixed
  • Enable visible properly on text_* components.
  • Fix checkbox value unchecking.
  • Improve stepper component layout.

• Added
  • Escape Cypress test functions using leading underscore _ if they overlap with Python reserved keywords.
  • Add data-test attribute to all form components for browser testing.
  • Add trigger property to the date picker component.
  • Allow pre-selecting rows in the table component.
  • Add visible property to all components to show/hide them on demand.
  • Add support for OpenID Connect (OIDC).
  • Add documentation on security.
• Fixed
  • Default HTML page title set to Wave.
  • Make % heights work properly for frames inside forms

• Added
  • Hash navigation using context menus.
  • Allow handling location hash when an open app page is reloaded.
  • Allow pre-selecting a tab in a tab_card.
  • Allow setting a height on the file upload component.
  • Allow justifying buttons left/center/right/spread.
  • Add data-test attribute to all cards for browser testing.
  • New documentation website, gallery, guides and tutorials.
• Changed
  • Fit table height to content height whenever possible.
  • Improve spacing between form components.
  • data-test attribute is set based on the names of cards.
• Fixed
  • Quote CSV data properly while downloading a table component's data.
  • Don't auto-hide axis labels in plots when data is missing.
  • Display labels instead of names when a pickers initial values are set.
  • Handle numeric column sorting in the table component.
  • Handle icon column sorting in the table component