Until #3019 a Synology photo's capture time and GPS came from the item after
it, which on many libraries is the next photo, and no one can edit a photo's
capture time to put it right. On the first start after this, every Synology
photo is asked again through its owner's library, held to the backfill's few
lookups per NAS, and what Synology confirms for that very photo replaces what
was stored; a photo it cannot confirm keeps its values. While a library could
not answer, the pass runs again on the next start, at most three times.
Maurice
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