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Why It Matters
Beginning October 7, 2026, GitHub Enterprise Cloud with data residency will no longer accept TLS connections from clients that offer only X25519 for key agreement.
Provenance
Discovered via GitHub and published by GitHub.
Key Claims
Original description
Beginning October 7, 2026, GitHub Enterprise Cloud with data residency will no longer accept TLS connections from clients that offer only X25519 for key agreement. Most customers don’t need to… The post X25519-only TLS ends for GHE.com on October 7 appeared first on The GitHub Blog .
Discovered via GitHub
Repository releases, trending projects, and developer updates.
Publisher: github.blog
ID: https://github.blog/changelog/2026-09-16-x25519-only-tls-ends-for-ghe-com-on-september-15 · Indexed about 1 hour ago