Locus Map not syncing tracks correctly between Android devices via WebDAV

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Hi everyone,
I'm having an issue with Locus Map (version 4.23) when syncing tracks between two Android devices using WebDAV. The sync starts normally, but it often stops midway or finishes without actually updating the latest tracks on the second device. No error message appears — it just says "Sync complete," even though the new tracks are missing.

I've already verified that my WebDAV server is working fine and that both devices have the same Locus account and sync settings. Has anyone else experienced incomplete or false "successful" syncs like this? Could it be related to file permissions or timestamp mismatches on the WebDAV server? Any advice would be appreciated.