Stable releases of October 4, 2026

Everything that shipped on the stable channel on October 4, 2026 — v2.9.106.

Stable v2.9.106 — Security

• fix(security): a customer could claim another customer's hostname, and renewal silently shrank certificates

Stable v2.9.106

• fix(ssl): refuse to re-issue a certificate on an incomplete DNS picture
• fix(mail): restore a mail SNI pair when only one of its two files is gone