TS24 GAC question

[PBRT]

Hi all,

I'm currently migrating to TS24 and I have the following situation that I can't explain:

---

• Calling into the following assemblies is no longer supported:
  • GAC assemblies

---

But the following call does not generate an error at runtime and the output is correct:

What could be the reason of this?

My version: 

Thanks in advance.