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Maniphest T405708

Thunderbird RSS reader now unable to subscribe due to Anubis
Closed, ResolvedPublicBUG REPORT
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Description

Steps to replicate the issue (User reported - not reproduced by WMDE yet):

What happens?:

My feed reader on Thunderbird no longer fetches them

What should have happened instead?:
It should keep working

Software version (on Special:Version page; skip for WMF-hosted wikis like Wikipedia):

Other information (browser name/version, screenshots, etc.):
Tested in Alligator and RSS feed subscription works fine.

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Event Timeline

Tarrow created this task.Sep 26 2025, 8:50 AM
Restricted Application added a subscriber: Aklapper. · View Herald TranscriptSep 26 2025, 8:50 AM
Addshore awarded a token.Sep 26 2025, 11:37 AM
Lucas_Werkmeister_WMDE subscribed.Sep 26 2025, 1:39 PM

(FWIW, my guess would be that this mainly affects Thunderbird. AFAIK Anubis is only supposed to filter out browser user agents, so it probably catches Thunderbird because that would include “Gecko” in its user agent string, but other feed readers would hopefully use another user agent and bypass Anubis?)

Tarrow added a comment.Oct 8 2025, 1:48 PM

We need to investigate if this really is broken. If it is, we should probably add an exception using the Anubis config. From a very preliminary look I thought I got a green check in Thunderbird's feed reader for the above urls

Anton.Kokh moved this task from Backlog (incoming) to Product - Ready to Pick Up on the Wikibase Cloud board.Oct 8 2025, 1:50 PM
Anton.Kokh moved this task from Product - Ready to Pick Up to Kanban Board on the Wikibase Cloud board.Oct 15 2025, 8:10 AM
Anton.Kokh edited projects, added: Wikibase Cloud (Kanban Board); removed: Wikibase Cloud.
Anton.Kokh edited projects, added: Wikibase Cloud; removed: Wikibase Cloud (Kanban Board).Oct 16 2025, 10:01 AM
Anton.Kokh moved this task from Backlog (incoming) to Product - Ready to Pick Up on the Wikibase Cloud board.
Ollie.Shotton_WMDE added a subtask: T411627: Exclude API endpoints from Anubis.Dec 3 2025, 2:05 PM
Ollie.Shotton_WMDE moved this task from Product - Ready to Pick Up to Kanban Board on the Wikibase Cloud board.Dec 3 2025, 2:09 PM
Ollie.Shotton_WMDE edited projects, added: Wikibase Cloud (Kanban Board); removed: Wikibase Cloud.
Ollie.Shotton_WMDE moved this task from Waiting for Tech Breakdown to Goals & Stories on the Wikibase Cloud (Kanban Board) board.Dec 3 2025, 2:12 PM
Tarrow renamed this task from RSS readers now unable to subscribe due to Anubis to Thunderbird RSS reader now unable to subscribe due to Anubis.Jan 6 2026, 2:40 PM
Tarrow updated the task description. (Show Details)
Tarrow moved this task from Goals & Stories to Done on the Wikibase Cloud (Kanban Board) board.Jan 6 2026, 3:26 PM

Tested on thunderbird with above URL. Appears to work fine post resolution of T405708

Tarrow changed the status of subtask T411627: Exclude API endpoints from Anubis from Open to Stalled.Jan 7 2026, 9:02 AM
Tarrow changed the status of subtask T411627: Exclude API endpoints from Anubis from Stalled to Open.Jan 7 2026, 5:00 PM
Tarrow closed this task as Resolved.Feb 9 2026, 10:34 AM
Tarrow claimed this task.
Tarrow closed subtask T411627: Exclude API endpoints from Anubis as Resolved.
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