Google Photos is temporarily turning off Auto Sync and backups.
Google confirmed that the Google Photos app will disable automatic backup & syncing of media from messaging apps.
Google wishes to save its bandwidth resources that are strained, likely backing up memes, videos, and photos that are shared over messaging apps.
Due to COVID-19, people are sharing more photos and videos. To save internet resources, backup & sync has been turned off for device folders created by messaging apps like WhatsApp, Messages.
You’ll notice a message in the Photos App about this change. You can change this setting at any time. Regardless of whether the update arrived or not, to check your backup & sync settings, head to the Photos app > Settings > Backup & Sync