Who remembers Tab Clear ?

[0.28.0] - 2023-06-19

Added

• The devtools console now confirms when CSS files have been successfully loaded after a previous error #2716
• Class variable CSS to screens #2137
• Class variable CSS_PATH to screens #2137
• Added cursor_foreground_priority and cursor_background_priority to DataTable #2736
• Added Region.center
• Added center parameter to Widget.scroll_to_region
• Added origin_visible parameter to Widget.scroll_to_region
• Added origin_visible parameter to Widget.scroll_to_center
• Added TabbedContent.tab_count #2751
• Added TabbedContent.add_pane #2751
• Added TabbedContent.remove_pane #2751
• Added TabbedContent.clear_panes #2751
• Added TabbedContent.Cleared #2751

Fixed

• Fixed setting TreeNode.label on an existing Tree node not immediately refreshing #2713
• Correctly implement __eq__ protocol in DataTable #2705
• Fixed exceptions in Pilot tests being silently ignored #2754
• Fixed issue where internal data of OptionList could be invalid for short window after clear_options #2754
• Fixed Tooltip causing a query_one on a lone Static to fail #2723
• Nested widgets wouldn't lose focus when parent is disabled #2772
• Fixed the Tabs Underline highlight getting "lost" in some extreme situations #2751

Changed

• Breaking change: The @on decorator will now match a message class and any child classes #2746
• Breaking change: Styles update to checkbox, radiobutton, OptionList, Select, SelectionList, Switch #2777
• Tabs.add_tab is now optionally awaitable #2778
• Tabs.add_tab now takes before and after arguments to position a new tab #2778
• Tabs.remove_tab is now optionally awaitable #2778
• Breaking change: Tabs.clear has been changed from returning self to being optionally awaitable #2778