Canvas moves AI store building into production theme code, but the official requirements make the maintenance boundary clearer: entering Canvas can cut off normal theme downloads and upstream theme updates.
The important failure is not another prompt injection. Plugin4Shell breaks the mechanism intended to guarantee that an AI-agent plugin is still the exact code a marketplace reviewed.
The faster browser cadence is no longer just a published schedule. Firefox 155 is live and Chrome 153 has begun staged Stable rollout, leaving web teams with materially less time between major compatibility boundaries.
App Engine’s TLS migration is now an active rollout. Applications that still depend on TLS 1.1 or earlier can opt out only through August, while September enforcement may block old clients differently on appspot.com and custom domains.