dotnet/Documentation/compatibility/system_activities-is-now-aptca.md

System.Activities is now APTCA

Scope

Edge

Version Introduced

4.5

Source Analyzer Status

Available

Change Description

The assembly is marked with the AllowPartiallyTrustedCallersAttribute attribute.

• Quirked
• Build-time break

Recommended Action

Derived classes cannot be marked with the SecurityCriticalAttribute. Previously, derived types had to be marked with the SecurityCriticalAttribute. However, this change should have no real impact.

Affected APIs

• Not detectable via API analysis

Category

Windows Workflow Foundation (WF)

More information