64-Day Certificate Lifetimes Coming Feb 2027
Let's Encrypt published a post titled "64-Day Certificate Lifetimes Coming Feb 2027," dated October 7, 2026, according to the URL and publication metadata. The item was surfaced on Lobsters on October 8, 2026. The title states that 64-day certificate lifetimes are coming in February 2027, which is the only substantive claim present in the available source text. The excerpt itself contains no body copy beyond the headline and a language selector. That selector lists translations in English, Català, Čeština, Dansk, Deutsch, Greek, Español, Suomi, Français, עברית, Magyar, Bahasa Indonesia, Italiano, 日本語, 한국어, Polish, Português do Brasil, Русский, සිංහල, Srpski, Svenska, தமிழ், Thai, and Türkçe. Because the excerpt does not include the post's technical explanation, no details are available here about how the 64-day lifetime would be implemented, which certificate types it would apply to, or what prompted the change. The only date given is February 2027, as stated in the title.
The title indicates certificate lifetimes of 64 days are coming in February 2027, a change developers who manage TLS certificates would need to account for.