Multiple reports arise on Home app bug which affects HomeKit-enabled cameras. Snapshots are old and are not refreshing.
When viewed live, camera shows actual stream and works perfectly.
Fix is expected from Apple.
Reference: Security Camera Snapshots in Home App Failing to Refresh for Some Users
Recommendations
Developer:
Beware of the issue.QA engineer:
Beware of the issue.PM/DM:
Business as usual.