Correct. This is found under Community's new Known Issues section as KI #0029.
Mitigation is to roll back to SG 2.17 before recompiling the .vtz/.c3p while this is being investigated.
You can click the "Follow" button to receive notifications when KI #0029 is updated.
(Sorry for delayed response... I'm less active here as I focus on Community Discussions forum & KIs)
Dave H - Crestron True Blue Tech Support Engineer Since 2014