This has been implemented now with latest cubby release. Mostly this was about supporting WOPI file locking together with various session synchronisation fixes
yeah forgot to mention that in the changelog, given the low feedback on the webdav integration, I didn't expect it to be used much at all. So the previous version had a longstanding bug essentially where only the user's home was exposed via webdav but not group folders nor shared items. This was the fix to introduce new toplevel items:
[image: 517ea14b-e37d-4e61-8cbf-cc5bde739b4b-image.jpeg]
The 404 is likely just the name collision pre-flight check the UI does to see if the uploaded file would need a different name. This has caused confusion a few times, as it is an error status code but in this case not an error.
The chunked upload is probably a valid feature request.