The King of releases

https://textual.textualize.io/blog/2023/05/08/textual-0240-adds-a-select-control/

[0.24.0] - 2023-05-08

Fixed

• Fixed crash when creating a DirectoryTree starting anywhere other than .
• Fixed line drawing in Tree when Tree.show_root is True #2397
• Fixed line drawing in Tree not marking branches as selected when first getting focus #2397

Changed

• The DataTable cursor is now scrolled into view when the cursor coordinate is changed programmatically #2459
• run_worker exclusive parameter is now False by default #2470
• Added always_update as an optional argument for reactive.var
• Made Binding description default to empty string, which is equivalent to show=False #2501
• Modified Message to allow it to be used as a dataclass #2501
• Decorator @on accepts arbitrary **kwargs to apply selectors to attributes of the message #2498

Added

• Property control as alias for attribute tabs in Tabs messages #2483
• Experimental: Added "overlay" rule #2501
• Experimental: Added "constrain" rule #2501
• Added textual.widgets.Select #2501
• Added Region.translate_inside #2501
• TabbedContent now takes kwargs id, name, classes, and disabled, upon initialization, like other widgets #2497
• Method DataTable.move_cursor #2472
• Added OptionList.add_options #2508
• Added TreeNode.is_root #2510
• Added TreeNode.remove_children #2510
• Added TreeNode.remove #2510
• Added classvar Message.ALLOW_SELECTOR_MATCH #2498
• Added ALLOW_SELECTOR_MATCH to all built-in messages associated with widgets #2498
• Markdown document sub-widgets now reference the container document
• Table of contents of a markdown document now references the document
• Added the control property to messages
  • DirectoryTree.FileSelected
  • ListView
    • Highlighted
    • Selected
  • Markdown
    • TableOfContentsUpdated
    • TableOfContentsSelected
    • LinkClicked
  • OptionList
    • OptionHighlighted
    • OptionSelected
  • RadioSet.Changed
  • TabContent.TabActivated
  • Tree
    • NodeSelected
    • NodeHighlighted
    • NodeExpanded
    • NodeCollapsed

The On decorator

https://textual.textualize.io/blog/2023/05/03/textual-0230-improves-message-handling/

[0.23.0] - 2023-05-03

Fixed

• Fixed outline top and bottom not handling alpha - #2371
• Fixed !important not applying to align #2420
• Fixed !important not applying to border #2420
• Fixed !important not applying to content-align #2420
• Fixed !important not applying to outline #2420
• Fixed !important not applying to overflow #2420
• Fixed !important not applying to scrollbar-size #2420
• Fixed outline-right not being recognised #2446

Changed

• Setting attributes with a compute_ method will now raise an AttributeError #2383
• Unknown psuedo-selectors will now raise a tokenizer error (previously they were silently ignored) #2445
• Breaking change: DirectoryTree.FileSelected.path is now always a Path #2448
• Breaking change: Directorytree.load_directory renamed to Directorytree._load_directory #2448
• Unknown pseudo-selectors will now raise a tokenizer error (previously they were silently ignored) #2445

Added

• Watch methods can now optionally be private #2382
• Added DirectoryTree.path reactive attribute #2448
• Added DirectoryTree.FileSelected.node #2463
• Added DirectoryTree.reload #2448
• Added textual.on decorator #2398

Fix run on Windows

[0.22.3] - 2023-04-29

Fixed

• Fixed textual run on Windows #2406
• Fixed top border of button hover state

v0.22.2

[0.22.2] - 2023-04-29

Added

• Added TreeNode.tree as a read-only public attribute #2413

Fixed

• Fixed superfluous style updates for focus-within pseudo-selector

v0.22.1

[0.22.1] - 2023-04-28

Fixed

• Fixed timer issue #2416
• Fixed textual run issue #2391

Making good Progress!

[0.22.0] - 2023-04-27

Fixed

• Fixed broken fr units when there is a min or max dimension #2378
• Fixed plain text in Markdown code blocks with no syntax being difficult to read #2400

Added

• Added ProgressBar widget #2333

Changed

• All textual.containers are now 1fr in relevant dimensions by default #2386

Run Textual, Run

Mostly fixes and enhancements, but there are some breaking changes in containers. See below for the details.

[0.21.0] - 2023-04-26

Changed

• textual run execs apps in a new context.
• Textual console no longer parses console markup.
• Breaking change: Container no longer shows required scrollbars by default #2361
• Breaking change: VerticalScroll no longer shows a required horizontal scrollbar by default
• Breaking change: HorizontalScroll no longer shows a required vertical scrollbar by default
• Breaking change: Renamed App.action_add_class_ to App.action_add_class
• Breaking change: Renamed App.action_remove_class_ to App.action_remove_class
• Breaking change: RadioSet is now a single focusable widget #2372
• Breaking change: Removed containers.Content (use containers.VerticalScroll now)

Added

• Added -c switch to textual run which runs commands in a Textual dev environment.
• Breaking change: standard keyboard scrollable navigation bindings have been moved off Widget and onto a new base class for scrollable containers (see also below addition) #2332
• ScrollView now inherits from ScrollableContainer rather than Widget #2332
• Containers no longer inherit any bindings from Widget #2331
• Added ScrollableContainer; a container class that binds the common navigation keys to scroll actions (see also above breaking change) #2332

Fixed

• Fixed dark mode toggles in a "child" screen not updating a "parent" screen #1999
• Fixed "panel" border not exposed via CSS
• Fixed TabbedContent.active changes not changing the actual content #2352
• Fixed broken color on macOS Terminal #2359

Fix for stuck tabs

A fix for an issue where the underline on tabs widgets may occasionally get stuck.

[0.20.1] - 2023-04-18

Fix

• New fix for stuck tabs underline #2229

The remove row release

[0.20.0] - 2023-04-18

Changed

• Changed signature of Driver. Technically a breaking change, but unlikely to affect anyone.
• Breaking change: Timer.start is now private, and returns None. There was no reason to call this manually, so unlikely to affect anyone.
• A clicked tab will now be scrolled to the center of its tab container #2276
• Style updates are now done immediately rather than on_idle #2304
• ButtonVariant is now exported from textual.widgets.button #2264
• HorizontalScroll and VerticalScroll are now focusable by default #2317

Added

• Added DataTable.remove_row method #2253
• option --port to the command textual console to specify which port the console should connect to #2258
• Widget.scroll_to_center method to scroll children to the center of container widget #2255 and #2276
• Added TabActivated message to TabbedContent #2260
• Added "panel" border style #2292
• Added border-title-color, border-title-background, border-title-style rules #2289
• Added border-subtitle-color, border-subtitle-background, border-subtitle-style rules #2289

Fixed

• Fixed order styles are applied in DataTable - allows combining of renderable styles and component classes #2272
• Fix empty ListView preventing bindings from firing #2281
• Fix get_component_styles returning incorrect values on first call when combined with pseudoclasses #2304
• Fixed active_message_pump.get sometimes resulting in a LookupError #2301
• Fixed issue arising when active tab was changed too quickly in succession #2305

Fix for broken vw and vh units

A bugfix release, see below...

[0.19.1] - 2023-04-10

Fixed

• Fix viewport units using wrong viewport size #2247
• Fixed layout not clearing arrangement cache #2249