Photos now missing everything after March

[RecipeForDisaster]

btfc wrote:
A while ago I helped someone using El Cap who was having syncing issues.

I traced his problem back to his more recent iPhone using formats that weren't supported in the older mac os. The sync would stop when any such item was encountered.

Solved by upgrading to High Sierra.


https://support.apple.com/en-gb/HT207022

I hope that isn’t it, I can’t upgrade. My iPad (I don’t have a phone) has not been updated recently and this was working not long ago.