2026 v1.1

DataCollection

Breaking changes

• Removed the IsTrimmable attribute from the .NET 6 target framework DataCollection Win and WPF. The attribute remains available in .NET 7 and later versions.

Improvements

• Added the IsTrimmable attribute to the following libraries:

  • AdoNet

  • Android

  • DataCollection

  • iOS

  • BindingList

  • EntityFrameworkCore

  • ScheduleCore

  • Serialization

  • SignalR.Client

  • SignalR.Server

  • Win

  • WinUI

  • WPF

Bug Fixes

• Fixed an issue where the C1WrapDataCollection constructor threw an exception when the source collection was null. (Jira: C1XAML-39756)

• Fixed an issue where resolving stub attributes caused runtime errors in .NET 6 applications. (Jira: C1XAML-39756)

C1.DataConnector

Bug Fixes

• Fixed an issue where the ESCAPE clause behaved inconsistently with standard SQL syntax.

• Fixed an issue in C1.AdoNet.Json where using a derived column in the ORDER BY clause produced incorrect results. (Jira: C1-9659)

C1.DataEngine

Improvements

• Updated the C1.DataCollection dependency to version 10.0.20261.6.

ScheduleCore

Improvements

• Added the IsTrimmable attribute.