v4.2.0

• Add Ionos DNS authenticator plugin
  • PR by @mzbik

v4.1.0

• Install Bash 5.2.15 from Debian Bookworm.
  • Workaround for this Bash bug which we also had in the Alpine image.
  • Not using a "backport" repository is not recommended, but right now the only way.
• Added timestamps to the log output we produce.
  • This is technically a breaking change if someone parses our logs, but I will ignore that.

v4.0.0

• New approach to implementing IPv6 support for the HTTP-01 challenge.
  • Deleted the dedicated server in certbot.conf

This change should be transparent for anyone not having a custom certbot.conf file, but is technically making a breaking change for someone, thus a major revision bump.

v3.3.1

• Revert previous feature after it apparently breaking some setups.

v3.3.0

• Have the server in certbot.conf listen on IPv6 as well.
  • PR by @Meptl.

v3.2.2

• Small syntax fixes recommended by shellcheck.
  • PR by @ericstengard.

v3.2.1

• Small syntax fixes recommended by shellcheck.
  • PR by @ericstengard.

v3.2.0

• Make it possible to override the CERTBOT_PRODUCTION_URL and CERTBOT_STAGING_URL variables.
  • You can now point certbot to whichever ACME server you want.

v3.1.3

• Recover and retry in case of failed dhparam creation.
  • PR by @staticfloat.

v3.1.2

• Use latest version of Bash in the Alpine image again.
  • The wait bug is fixed since Bash 5.1.10.