I got the macOS Sierra update when it went into public beta, and I've been trying to use the automatic Desktop / Documents upload feature with iCloud. I've enabled the feature, however since September 7 no files have been uploaded. By this point, the bottoms of my finder windows say:
15.78 GB available on iCloud, uploading 156,106 items (543.2 MB of 543.2 MB)
However the files are never actually uploaded. I keep my screenshots folder on my desktop and I take a lot of screenshots, so I can see that September 7 was the last date any file was actually uploaded.
What should I do? Is there a way I can disable and re-enable the feature without risking loss of data? Are there any solutions to this problem? What should I try? So far I've tried rebooting, and tried software update to macOS 10.12.2 public beta.