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App Engine: security advisories, deprecations and releases
Managed application platform on Google Cloud.
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- HIGH Google Cloud release notes · 25 Oct 2026
Google Cloud App Engine flexible .NET security update
App Engine flexible environment updates .NET 6, 8, 10 and OS packages on google-22/24 stacks to fix security issues.
- HIGH Google Cloud release notes · 2 Oct 2026
App Engine blocks TLS 1.1 and earlier on all runtimes
App Engine permanently blocks insecure TLS 1.1 and earlier traffic for both standard and flexible environments across all supported languages.
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