Okay, background on the rename detection mechanism: Syncthing scans for changes. The filesystem notifications we get (when enabled) triggers the scanner. The scanner traverses the thing it was told about. Sometimes this is a single file, sometimes it’s a parent directory, sometimes it’s the entire folder. Notification events are aggregated so if we see more than a threshold of events in a given directory we scan the entire directory in question. When scanning we detect new or changed files. Th...