After Cloudflare announced its upcoming Warp VPN, I reinstalled and enabled its 1.1.1.1 secure DNS app. Boy was that a mistake.
While the 1.1.1.1 app was installed, Google Play updates ground to a halt on my phone, and push notifications were delayed by hours (and in some cases by more than a full day).
I have no idea if this is Cloudflare or Android’s issue, but at a minimum an app designed to enhance security shouldn’t actually degrade device security by preventing or delaying import app updates.