In what could be a bug or behavior change, the Google Play Store is not showing available updates for system-level apps. Update 2/1/25: Here’s a list of common Google apps that don’t appear in the Pending downloads list, but will show an “Update” when you visit the Play Store listing directly:

Google says it blocked 2.36 million app submissions made to the Play Store in 2024 because they were in violation of its policies and as such a potential cybersecurity risk. In a Google Security blog post,

How does Google protect your Android phone from dangerous apps? What safeguards are in place to prevent such threats? We break it all down here.