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The latest Plain releases, updates, and fixes.
Weekly Drop: September 25, 2026
Five other updates: a thread sidebar you arrange yourself, alerts when a webhook fails, users managed from your identity directory, and two things Ari now knows.
Faster onboarding for new workspaces
New Plain workspaces now start with label suggestions, teammate suggestions via Slack, and test threads already in place.
Link GitHub PRs to threads
While you could already link a GitHub pull request to a thread, you can now do so by pasting the full link into the search bar.
Set business hours for each of your teams
You can now create more than one business hours schedule in your workspace, each with its own name, timezone, and working hours.
Markdown in Sidekick discussions
Sidekick discussions now render markdown in full, headings included.
Machine users can reply as a human user
Machine users can now reply as one of your teammates in Slack, email, and the timeline messages.
What's new in Ari
Three changes to Ari, our Customer Agent: it now asks clarifying questions to vague messages, you control whether it hands off when a customer tags a teammate, and custom instructions can be longer.
Build workflows with AI
You can now build a workflow by telling Sidekick, your Internal Agent in Plain, what you want it to do. This allows anyone on your team to build complex automation, fast.
See and control how every workflow runs
On the Workflows page, you can now search every workflow run in your workspace, and you can set the order your workflows run in.
The Help Center has a new design
Your Plain help center is now easier for your customers to find an answer, and easier to ask for one when they can't.
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