•.NET 8 is no longer supported (reason: official end of support on November 10, 2026, see Microsoft .NET and .NET Core Support Policy).
•.NET 9 is no longer supported (reason: official end of support on November 10, 2026, see Microsoft .NET and .NET Core Support Policy).
•The parameter serialization of "DesignerObject.ObjectProperties" has been changed to a JSON-based format, as the previous "BinaryFormatter" format is now obsolete or insecure and is no longer supported in modern .NET versions. As a result, all objects in existing projects must be re-added once during migration to .NET 10. Please note that, compared to the previous binary format, the JSON payloads may now impose restrictions regarding the supported value types.
•Internet Explorer 11 is no longer supported by the web controls.
•The default setting for NoPrintJobSupervision is now True, consistent with the default setting for the corresponding option constant LL_OPTION_NOPRINTJOBSUPERVISION.
•WebReportDesigner/WebReportViewer: the UI strings are now loaded from the new assembly combit.ListLabel32.Resources instead of the native core's string tables. Hosts must deploy that assembly and its language subfolders alongside the combit.ListLabel32.Web assembly.
•The WebReportViewerResources enumeration is now obsolete; the string tables it refers to are no longer used by the web components.
•Html5Viewer, AdhocDesigner: the client scripts are compiled to ES2015 instead of ES5 (TypeScript 7 no longer emits ES5), hosts therefore need browsers with ES2015 support.
