Safari reduces SSL lifetime
20 february 2020: With Apple’s recent announcement that Safari will only trust certificates with a validity of 398 days or less from September 1, 2020, it won't take long before other major web browsers will follow. Older certificates, issued prior to the deadline, are unaffected by this rule.
Therefore, we recommend to obtain or renew your certificates with a 2-years lifetime prior to September 1, 2020, and be spared from further renewal or migration for at least 2 years: