Expect-CT has been disabled by default, this is related to the following, which is taken directly from the OWASP Secure Headers Project (as of May 11th, 2023):
Deprecated.
⚠️ Warning: This header will likely become obsolete in June 2021. Since May 2018 new certificates are expected to support SCTs by default. Certificates before March 2018 were allowed to have a lifetime of 39 months, those will all be expired in June 2021.
jamie-taylor-rjj
commented
1 year ago
Expect-CT has been disabled by default, this is related to the following, which is taken directly from the OWASP Secure Headers Project (as of May 11th, 2023):
source: https://owasp.org/www-project-secure-headers/#expect-ct