Migration preparation to Zotero 9: Sync problems between Juris-M and Zotero Online

Der Alte Fritz
It looks as if the Microsoft security update coupled with the introduction of Zotero 9 has broken the link between Juris-M and the online Zotero database. So it looks like the only way forward is to migrate to Zotero 9.

Question: So I am looking the best way to carry out this migration.

My current set up is Juris-M (6.0.22m4 - the latest version) uploading data to Zotero online (which I pay for annually) and then my current use of Zotero 9. I have run this set up as a safeguard against redundancy. However Zotero does not meet my need as a historian for multi-lingual citations especially for Cyrillic languages which require 1) Cyrillic 2) Library of Congress transliteration 3) English translation.

The current situation is
Juris-M: 8049 items
Zotero online: 8074 items
Difference: 25 items
The problem is larger than this as I have been tidying up some folders, merging duplicates, adding new items and Zotero online has clearly not been doing ALL of these.

A check of the last twenty modified files which includes new items shows them in Zotero online. So something has been getting through.
Another problem is that Juris-M is not letting me Export all the folders (some produce an error message) so I could not upload them to a new Library.

Question: Is a manual check of all modified files since 1 June 2026 plus a comparison of all folders the only way to get these two databases to be in sync? Is this thr right date or do I need to go back further?

PS. I have reset the password for Zotero Online recently but this has not resolved the sync issues.
  • Der Alte Fritz
    Please can someone tell me the rough date that Juris-M and Zotero stopped syncing entirely. I presume the release date of Zotero 8 or 9?
  • adamsmith
    I just don't think anyone knows the answer. The only known breakage I'm aware of is the change in authentication in Zotero 9, but you seem to be aware of that and password reset would let you work around that temporarily. It's not even clear from your description if syncing actually stopped or is partial or so (you don't pay for data sync, btw -- you only need to pay for file sync)
  • gduffner
    As far as my observations go, Zotero > JurisM stopped working when shortly before the release of Zotero 8 in January, Zotero (finally) implemented new fields. As announced by the devs, old clients could still sync up but wouldn’t receive updates, as they wouldn’t understand the new structure.

    Upsync stopped working when Zotero implemented the new authentication about four weeks ago. I could pin it down to a very narrow window on a certain day in a support session with a former JurisM user whose changes stopped being synced. Unfortunately, I didn’t write it down. Tomorrow I’ll be supporting an other user, perhaps I can see it there, too.

    Unfortunately I couldn’t get sync to work again on my JurisM, even after resetting the password (mutlpile times).
  • gduffner
    Syncing from Jurism to zotero.org stopped some time on June 16 for the colleagues whom I support.
    To track the differences, we opened Jurism and Zotero side by side and activated the column “Date Modified” in both. this way, it’s very easy to spot the differences.
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