Product Updates
Product Update

Product Update: Unified Inbox Threading Improvements

Replies now thread by message headers first, so conversations stay in one place.

AKAnas KhalidFounder, SendloopPublished Aug 3, 2026Updated Aug 18, 20264 min read
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Header-first threading

Replies are now matched on message identifiers before falling back to subject and participant matching, so conversations stay in a single thread.

Fewer duplicate conversations

Forwarded replies and auto-responders no longer split an existing thread into separate conversations.

What you need to do

Nothing. The change applies to newly received replies across all workspaces.

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