Troubleshooting shared sessions

You see Fix
"That code does not look right." Paste the whole join link instead.
"No session found for this code." The session ended or the code is wrong. Check with the host, and use the same Relay Server as the host.
"…cannot share a session with this version", "needs Texpile … or newer" Whoever is on the older version updates Texpile. The browser version is always current.
"If Texpile did not open" Click Continue in Browser. In the portable version, enter the code on its start screen instead.
Shared Session is greyed out Open the folder as a project. The web version cannot host.
"Too large to co-edit, shared view-only" Files over 2 MiB. Guests can read them but not edit them.
A file does not appear for guests See what is shared.
A guest's compile request does nothing A compile is running. Ask again after it ends.
"Reconnecting...", "The host lost connection" Wait. Edits merge when the connection is back.
"The connection to the session was lost." Click Back to Home and join again with the code.
"No compiled PDF yet." Click Request Compile. No PDF is shared while the host uses the Typst live preview.
"The host is editing this file in visual mode." Ask the host to switch to the source editor or another file. Until then the file is read-only for you.
No Editing and Suggesting picker Ask the host to update Texpile.
A rename or new folder did nothing The name is already taken. Use another name.