Confirmed that chats that don't actually involve the local parent admin (user ID 256) will no longer show them in the members list. Chats that do, however, will still show them.
**Chat where the parent admin is not a member of the chat**
Before:
{F569035}
After:
{F569034}
**Chat where the parent admin is a member of the chat**
Before:
{F569056}
After (no changes):
{F569059}