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Old 04-08-2026, 02:05 AM   #571
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There are multiple features that don't work for sideloaded books even though the database entries seem to be correct, for example related books. There seems to be some kind of check the firmware does to decide what features to enable, but it's not clear from anything I've seen what that check is and if it's possible to trick it. I doubt it's the difference between UUIDs and paths for ContentIDs. Even if it were it would be difficult to fix since the entries are created by the firmware's import process, and changing all the content IDs to UUIDs with some kind of Calibre or plugin feature is likely going to have some unexpected side effects.
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Old 04-08-2026, 02:15 AM   #572
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I tried that once renaming an ePub to a Kobo UUID style title and moving it into the .kobo/kepub folder and mucking around in the databases. No joy from doing this and my other efforts at mucking around in the databases.
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Old 04-12-2026, 12:10 AM   #573
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KoboUtilities v2.28.0

Changes in this release:
  • The automatic reading location sync now creates a simple log that can be accessed from the config dialog
  • Always make sure to have exclusive database access when restoring backup if the Calibre version supports it

The new log feature is meant to answer questions such as "why is my device not syncing" and "what did just get synced" without having to create a debug log that is difficult to interpret for most people and can only be created by repeating the action. I hope this makes it easier for people to understand what is going on without having to ask for help.
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Old 05-03-2026, 06:38 AM   #574
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I have a Kobo Libra 2.

Until a couple of weeks ago, whenever I plugged the Kobo, Calibre would read the device and automatically update the columns for Reading Progress, Last Read, etc; and also sync the reading progresses with Goodreads.

How can I fix this?
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Old 05-03-2026, 11:05 AM   #575
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Quote:
Originally Posted by szkafen View Post
I have a Kobo Libra 2.

Until a couple of weeks ago, whenever I plugged the Kobo, Calibre would read the device and automatically update the columns for Reading Progress, Last Read, etc; and also sync the reading progresses with Goodreads.

How can I fix this?
Check if the database is corrupt or not. Also, check the preferences for Kobo Utilities to see if anything changed. Also, what plugins have you installed since KU was working and not? You could disable any plugins you've installed since then.

Also, what OS and what version of calibre are you using?
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Old 05-04-2026, 01:42 AM   #576
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Quote:
Originally Posted by szkafen View Post
I have a Kobo Libra 2.

Until a couple of weeks ago, whenever I plugged the Kobo, Calibre would read the device and automatically update the columns for Reading Progress, Last Read, etc; and also sync the reading progresses with Goodreads.

How can I fix this?
If you have the newest version of KoboUtilities installed then connect your device, open the plugin config, and click the "View log" button near the bottom right. It should give you some information about the sync process. And of course make sure that you have the relevant "store on connect" options enabled.
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Old 05-09-2026, 01:38 PM   #577
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Quote:
Originally Posted by Majutsushi View Post
Thanks for the log!
Hey, not sure if anyone cares, but while I didn't notice until just the other day, there is no lag time anymore. There's been an update to both Kobo Utilities and Calibre itself since the issue started, but I haven't paid attention to it in a while, and just noticed that the freezing isn't happening anymore. So I'm not sure what was causing the issue, but it's fixed at this point - if anyone cared enough to have it stuck in their heads for some reason.

Thanks again everyone for trying to help in the first place!
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