I’m still having the issue, on mobile device as well.
I wanted to add that my most recent issue was with an internal Obsidian file, so it’s probably not linked with plugins. 
2024-10-19 22:12 - Connecting to server
2024-10-19 22:12 - Connection successful. Detecting changes...
...
2024-10-19 22:12 - Uploading file .obsidian/core-plugins.json
2024-10-19 22:12 - Upload complete .obsidian/core-plugins.json
2024-10-19 22:13 - Uploading file .obsidian/core-plugins.json
2024-10-19 22:13 - Upload complete .obsidian/core-plugins.json
2024-10-19 22:14 - Uploading file .obsidian/core-plugins.json
2024-10-19 22:14 - Upload complete .obsidian/core-plugins.json
2024-10-19 22:15 - Uploading file .obsidian/core-plugins.json
2024-10-19 22:15 - Upload complete .obsidian/core-plugins.json
...