Google Chat is a communication software developed by Google built for teams that provides direct messages and team chat rooms, along with a group messaging function that allows Google Drive content sharing.
Keep second reviews assigned when makers hand off new proofs.
Your reviewer finds the latest proof in a reopened task. The due date and maker's chat link give them a clear path back.
Keep a dated version receipt beside each proof request.
Your review threads show the revision your teammate shared with a reviewer, even after newer proofs appear.