Cloudflare Workers deployments using the `nodejs_compat` compatibility flag with a compatibility date of 2026-08-04 or later were incorrectly blocked, affecting Workers and Workers for Platforms. The issue lasted approximately 1.2 hours before a fix was identified and implemented. As a workaround, users could remove the `nodejs_compat` flag from their Worker configuration.
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The issue has been identified and a fix is being implemented.
Cloudflare is aware that deploying Workers that the nodejs_compat compatibility flag and a compatibility date on or after 2026-08-04 is being disallowed. This is impacting Workers and Workers for Platforms.
We are working on relaxing this assertion. To avoid this error, remove the nodejs_compat compatibility flag from your Worker.
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