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[Bug]: Duplicate Podcast Episodes on subscription feeds #1995
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opened 2026-04-25 00:02:11 +02:00 by adam
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Reference: starred/audiobookshelf#1995
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Originally created by @SAS-1 on GitHub (May 18, 2024).
What happened?
Hi
I searched and I can see #2785 but it's not quite the same issue. I think this has been discussed in Discord a few times.
I subscribe to History Hit and have a member link for the podcasts, 24 hours before an episode is published it's made available to subscribers. This is where my problem comes in.
It will download the episode and then the next day download the same episode this time appending a GUID to the filename.
I forgot to grab an image from ABS front end when generating the rss xml to report this but you can see a similar example in this screenshot
the episode is the same but its downloaded twice.
What did you expect to happen?
ABS checks if the episode has already been published and doesn't download it again.
Steps to reproduce the issue
Audiobookshelf version
2.9.0
How are you running audiobookshelf?
Docker
What OS is your Audiobookshelf server hosted from?
Linux
If the issue is being seen in the UI, what browsers are you seeing the problem on?
None
Logs
Additional Notes
I have removed my unique keys I can share the link via private message if needed for testing.
I think what ABS needs is a check episodeId, episode and title is the same don't download as new.
@advplyr commented on GitHub (May 18, 2024):
Abs uses the GUID as the unique identifier for episodes as per specs. Although, I've never seen an RSS feed use the same GUID twice in the feed, I think this violates RSS feed specs. Just to clarify, you can see in the RSS feed that the episode is listed twice with the same GUID?
@SAS-1 commented on GitHub (May 18, 2024):
Hi
So day 1 the episode is published in the rss feed, then day 2 it updates/replaces the members version with the public one.
Same file, same details, just the date seems to change.
It happens with all their feeds, I did report this to them last year but they haven't a clue how it works according to them they give acast the files with a release schedule and 24 hours early access for subscribers.
It's not a major issue just annoying as I only keep 3 episodes and 2 are always the same with this issue.
@nichwall commented on GitHub (May 18, 2024):
Yeah, the GUID is specified as "unique".
https://www.rssboard.org/rss-specification#ltguidgtSubelementOfLtitemgt
@advplyr commented on GitHub (May 18, 2024):
Have you looked at the full RSS feed to check if the episode is listed twice? You are saying it is replacing it in the feed but I'm not sure if you are looking at the full RSS feed or not
@SAS-1 commented on GitHub (May 18, 2024):
Yeah i did a search in the xml, could onlysee it once, I only extracted the example one but I can redo the query in postman when the next episode drops and then 24 hours later and send you it.
@advplyr commented on GitHub (May 18, 2024):
I found a potential issue that this could happen if the enclosure URL was changing between the early episode drop and the one 24 hours later. I'm pretty sure this will fix it for the next release, or you can use the
edgedocker image if you want to test it before the next server release.@SAS-1 commented on GitHub (May 18, 2024):
cool thanks, I am on edge so I will pull it and see when they next release an episode. looking at it I expect it is the enclosure url it looks like the tk and sig params are slightly different.
@SAS-1 commented on GitHub (May 19, 2024):
That seems to have fixed it, one of the feeds updated the same episode overnight as the day before and it never downloaded it:
Thanks for fixing it so quickly it's been bugging me for ages :D
@advplyr commented on GitHub (May 27, 2024):
Fixed in v2.10.0