If updated photos are not showing on one device, browser caching may be causing the issue. Clearing your web browser's cache will allow the latest photos to appear.
Clear your browser's cache
Google Chrome
If you are using Google Chrome:
Click the three dot menu in the top right corner of the browser.
Click Settings.
Click Privacy and security on the left.
Click Clear browsing data and select All time from the time range dropdown.
Select the Cached images and files box, then click Clear data.
Close all Google Chrome windows.
Open Google Chrome again and log back in.
Microsoft Edge
If you are using Microsoft Edge:
Click the three dot menu in the top right corner of the browser.
Click Delete Browser Data.
Select All time from the Time range dropdown.
Select the Cookies and other site data and Cached images and files boxes.
Click Clear now.
Close all Microsoft Edge windows.
Open Microsoft Edge again and log back in.
