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  3. TL_8.0.0-alpha7
  4. #28816

8.0.0-alpha7
TopLogic Release

2026-07-30

enhancement

critical
#29088
Model-based access rights
#29108
Lightweight UI definition layer (TL Views) based on React UI components
major
#28694
Description of model parts as formatted text (rich text)
#28708
Enable Standard Selection in (Tree) Tables and Grids via TL Script
#29102
Add com.top_logic.layout.react module for React/SSE integration
#29221
Automatic determination of possible authorization configurations
#29349
XML Parsing Functions for TL-Script via XMLImporter
#29374
TL Script: gzip()
#29389
Code Completion for Variables ($) in the TL Script Editor
#29396
Conversation display for TL Views: object list element, file chips, card panels
#29399
Info Service Notifications: Display at the bottom instead of the top, and keep them in place when hovering over them with the mouse
#29400
Introduce a first-class "operation mode" service for applications (OperationMode enum + ApplicationModeService)
minor
#29085
Re-login on session timeout instead of redirect to login page
#29089
Extend the TL Script functions log() and info() to include selectable message levels (INFO, WARN, ERROR)
#29195
Problems with HTML attributes and TL script
#29306
TL Script: dateFormat() should accept an explicit timezone to format Calendar values losslessly
#29382
Expose a public, classpath-driven overload of `Workspace.getAppPaths`
#29385
The app archetype should automatically generate a standard git-ignored local-credentials overlay (tl_config) by default
#29392
Transaction Abort on Non-2xx Response
#29398
Login Form: Use "Username" Instead of "Name"

defect

major
#29383
A dead SOCKET_APPENDER (Chainsaw, localhost:4445) in the default logging configuration can cause logging to stall and operations to abort under heavy load
#29384
The TL-Script functions `resetSequence` and `generateSequenceId` generate a different sequence ID than `SequenceDefaultProvider` (in terms of suffix and context order), so they cannot reset a provider-managed sequence with a dynamic context
#29394
Editable tables in the React UI: Generalized row-set bindings for tabular editing in forms
#29410
Attribut filename der Structured-Text-Bildablage case-sensitive (binär) speichern
#29419
Understandable save failures and form validation feedback in the React view layer
minor
#28816
Reference value attributes only generate errors with SingleSelection
#29359
Inappropriate tooltips on some main tabs
#29360
Occasional error message in the log: "mainLayout" is null.
#29361
Invalid database definition for tag
#29363
Missing validation of dialogs in GOTO statements to dialogs of invisible parents
#29380
Context-sensitive auto-numbering fails if the context and the numbered object are created within a single transaction
#29381
Double-clicking in a graphic component does not work reliably
#29390
Subtree selection ends too early if the lowest level is not included in the level filter
#29393
URL routing in the React view layer is broken: ForwardingReactContext does not delegate getRouteManager()
#29401
Images in an image drop zone cannot be copied or saved using the browser's context menu
#29402
Tree selection is lost when the view is refreshed (invalidated)
#29412
Flaky TestDynamicComponentService.testIncrementalUpdates: asserts on asynchronous WatchService event after a fixed 10ms sleep
#29416
Anzeige des Änderungslogs schlägt fehl, wenn parallel Änderungen committet werden
#29420
FlowDiagram: Fehlerfall im row-wise Sub-Grid: subGridCols=2 und subGridStartCol=1
#29426
FlowDiagram: Text in PDF-eingebettetem Diagramm ist nicht selektierbar

task

major
#29407
Security-Scan: npm-Abhängigkeiten der React-Module aktualisieren
#29408
Security-Scan: httpcore5 anheben; pdfbox-/azure-Findings bewerten
minor
#29415
Slim down the repository CLAUDE.md and consolidate developer guidance into skills and FAQ articles
defect

minor

#28816

Reference value attributes only generate errors with SingleSelection

MigrationModelSystemPersistencyLayer

If there is data in the system such that a reference-type, multi-valued (multiple) attribute points to an object that no longer exists (because it was deleted during a migration, for example), does this result in an error if exactly this one object is referenced in this attribute? (Good)

However, if multiple objects are referenced in the attribute—some of which exist and some of which do not—this does not result in an error. (Bad)

Migration

When resolving a multi-valued reference attribute, any reference to an object that no longer exists now results in a KnowledgeBaseRuntimeException (InvalidLinkException, "Dangling references to no longer existing objects"). Previously, such entries were silently ignored as long as at least one other referenced object existed.

Data sets in which objects were deleted without cleaning up the incoming references (e.g., due to a previous migration) must be cleaned up before the update; otherwise, reading the affected attributes will fail at runtime. Custom migrations that delete objects must also remove the references to those objects.

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