genui

• Fixed A2uiTransportAdapter.incomingText trimming every streamed chunk, which made words run together when chunks were concatenated.

• Added examples of how to use TextField.

• Fixed TextField variants: longText now grows to fit multiple lines, number now rejects non-numeric input, and the obscured example now sets variant so that it is actually obscured.

• TextField.validationRegexp is now enforced: the value has to match the pattern in full, an empty field is exempt, and a value that does not match shows an error and blocks onSubmittedAction. It was previously accepted and ignored.

• Depend on a2ui_core 0.1.0, its first non-pre-release version.

• BREAKING: Changed SurfaceDefinition.validate to be asynchronous to support resolving $ref schemas via SchemaRegistry.
• Refactor: genui now runs on package:a2ui_core. See the migration guide.
• BREAKING: A2UI message types are now package:a2ui_core types. The GenUI message classes (A2uiMessage, CreateSurface, UpdateComponents, UpdateDataModel, DeleteSurface) are removed; SurfaceController.handleMessage and Transport.incomingMessages take a2ui_core messages, and UpdateComponentsMessage carries raw component JSON maps rather than Component objects. Depend on a2ui_core directly.
• BREAKING: SurfaceController.store and DataModelStore are removed. Read a surface's data model via SurfaceController.contextFor(id).dataModel.
• BREAKING: SurfaceRegistry.updateSurface(...) is removed; drive surfaces through SurfaceController.handleMessage.
• BREAKING: Changed PromptBuilder.chat and PromptBuilder.custom from synchronous factory constructors to asynchronous static methods (createChat and createCustom) to support asynchronous asset loading.
• BREAKING: Changed _loadSchemas return type to a named record structure.
• BREAKING: Restricted public API surface of low-level primitives exports. Only CancellationException, CancellationSignal, JsonMap, basicCatalogId, configureLogging, genUiLogger, and generateId are now exported from package:genui/genui.dart.
• Behavior: DataModel writes are stricter; some writes that previously did nothing now throw, and sparse list writes fill skipped entries with null.
• Behavior: A duplicate createSurface for an already-active surface id is now an error.
• The catalog-widget authoring API is unchanged; SurfaceDefinition and Component remain genui types.
• Refactor: Extracted exception mapping logic to a private helper _errorToMap in SurfaceController.
• Refactor: Centralized and shared common schema registry initialization helper.
• Refactor: Extracted mock binary messenger asset setup to a shared helper for test reuse.
• Fix: Sanitized raw error messages exposed from ArgumentError in Button press handlers.
• Docs Removed google_generative_ai from the README.md.

• Feature: Updated example/README.md.

• BREAKING: Reorganized library exports (#866).
• Feature: Add two skills to the genui package (#800).
• Feature: Create Dart replicas for Flutter's notifiers (#850).
• Feature: Add FlutterListenable adapter (#860).
• Fix: Improvements to prompt builder to prevent misleading LLM (#841).
• Fix: Match A2uiMessage.a2uiMessageSchema to A2UI v0.9 specification (#833).
• Fix: Bug fixes for A2UI JSONL stream parser (#868).

• Fix tests

• Update packages/genui/lib/src/engine/surface_controller.dart

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

• Update packages/genui/lib/src/facade/prompt_builder.dart

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

• Add comment, test turn counts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

• BREAKING: Updated package to align with A2UI v0.9 protocol and introduced extensive architectural changes.
• BREAKING: Updated minimum Dart SDK constraints to ^3.10.0 to leverage modern Dart 3+ syntax and features (#772).
• BREAKING: DataModel is now an abstract interface class. InMemoryDataModel provides the concrete implementation.
• BREAKING: Enforce non-null DataPath in DataModel.update, subscribe, and getValue operations (#743).
• BREAKING: DataContext.evaluate renamed to resolve, returning Stream<Object?>.
• BREAKING: Made client functions reactive and catalog-based. SimpleClientFunction renamed to SynchronousClientFunction and its call method to executeSync.
• BREAKING: Removed global FunctionRegistry. Functions are now registered to the catalog. Renamed registerStandardFunctions to registerBasicFunctions.
• BREAKING: Removed SurfaceCleanupStrategy from SurfaceController.
• BREAKING: SurfaceContext and SurfaceDefinition now require a non-nullable catalogId.
• BREAKING: Renamed CoreCatalog to BasicCatalog and relocated catalog widgets.
• Feature: Added examples app with a gallery of pre-designed surfaces allowing editing/previewing A2UI JSON (#761).
• Feature: Implemented audio and video basic catalog components (#802).
• Feature: Added client capabilities JSON generation via A2UiClientCapabilities.fromCatalogs (#773).
• Feature: Initial implementation of prompt builder via PromptBuilder and the Conversation facade (#777).
• Feature: Consolidated component name into CatalogItem constructor (#757).
• Feature: Added descriptions to basic component schemas for standard validation (#756).
• Fix: Filter whitespace-only AI text responses from transport (#759).
• Fix: Resolved DataModel double-dispose crashing issue (#741).
• Fix: Fixed memory leaks in RefCountedValueNotifier and refactored catalog widgets to use lifecycle-safe BoundValue / BoundString widgets.
• Refactor: Decoupled ClientFunction from DataContext and resolved package cycles (#742).
• Refactor: Updated Modal component to self-contain showing logic.
• Internal: Removed legacy events ToolStartEvent, ToolEndEvent, TokenUsageEvent, and ThinkingEvent from the core genui package.

Update changelogs and pubspecs. (#699)

• Fix: Improved error handling for catalog example loading to include context about the invalid item (#653).
• BREAKING: Renamed ChatMessageWidget to ChatMessageView and InternalMessageWidget to InternalMessageView (#661).
• Fix: Pass the correct catalogId in DebugCatalogView widget (#676).
• BREAKING: Renamed most classes with GenUi prefix to remove the prefix or use Surface.
  • GenUiConversation -> Conversation
  • GenUiController -> SurfaceController
  • GenUiSurface -> Surface
  • GenUiHost -> SurfaceHost
  • GenUiContext -> SurfaceContext
  • GenUiTransport -> Transport
  • GenUiPromptFragments -> PromptFragments
  • GenUiFunctionDeclaration -> ClientFunction
  • GenUiFallback -> FallbackWidget
  • configureGenUiLogging -> configureLogging
• Added some dart documentation and an example directory to improve package:genui pub score.
• Fix: Make ContentGeneratorError be an Exception (#660).
• Feature: Define genui parts as extensions of genai_primitives (#675).
• Internal: Enable stricter dynamic-related analysis (#652).

• Fix: Corrected DateTimeInput catalog item JSON key mapping (#622).
• Fix: Added missing weight property to Component constructor (#603).
• Fix: Defaulted TextField width to 1 when nested in a Row (#603).

• BREAKING: Renamed GenUiManager to A2uiMessageProcessor to better reflect its role.
• BREAKING: A2uiMessageProcessor now accepts an Iterable<Catalog> via catalogs instead of a single catalog.
• BREAKING: Removed GenUiConfiguration and ActionsConfig.
• BREAKING: Removed GenUiHost.catalog in favor of GenUiHost.catalogs.
• Improved surface rendering logic to cache components before rendering.
• Updated README sample code to reflect current FirebaseAiContentGenerator API (added catalog parameter and replaced tools with additionalTools).
• Feature: GenUiManager now supports multiple catalogs by accepting an Iterable<Catalog> in its constructor.
• Feature: A2uiMessageProcessor now supports multiple catalogs by accepting an Iterable<Catalog> in its constructor.
• Feature: catalogId property added to UiDefinition to specify which catalog a UI surface should use.
• Refactor: Moved standardCatalogId constant from basic_catalog.dart to primitives/constants.dart for better organization and accessibility.
• Fix: MultipleChoice widget now correctly handles maxAllowedSelections when provided as a double in JSON, preventing type cast errors.
• Fix: The Text catalog item now respects the ambient DefaultTextStyle, resolving contrast issues where, for example, text inside a dark purple primary Button would be black instead of white.

• Homepage URL was updated.
• Deprecated flutter_markdown package was replaced with flutter_markdown_plus.

• Initial published release.