Threading not working on new messages
Open
@kesselb is already working on this.
Since Nov 25, 2025.
1. to develop
bug
- Dominant language
- JavaScript
- Stars
- 1k
- Forks
- 348
- Avg merge
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- Merged PRs (30d)
- 91
Description
Steps to reproduce
- Send message to NextCloud Mail configured mailbox
- Reply from NextCloud
- Reply to the reply
- The latest reply received in NextCloud is not merged with the first one, as a thread. It will be after several minutes and couple refreshes of the Mail page
Expected behavior
New mails should be automatically displayed in a thread
Actual behavior
New mail are displayed as separate messages, even though they are part of a "conversation"
Mail app version
5.6.0
Nextcloud version
32.0.2
Mailserver or service
External
Operating system
Ubuntu 24.04
PHP engine version
None
Nextcloud memory caching
No response
Web server
None
Database
None
Additional info
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Assessment
This issue has not been assessed yet.