- Indentation of web templates are corrected [\#582](https://github.com/sympa-community/sympa/pull/582), [\#592](https://github.com/sympa-community/sympa/pull/592). Though this change will not affect functionality, administrators might have to apply their customization to the new templates again.
- WWSympa: TLS client authentication: Now it gets rfc822Name in X.509v3 subjectAltName, otherwise emailAddress attribute in subject DN [\#571](https://github.com/sympa-community/sympa/pull/571). Note that earlier efforts getting attribute such as MAIL, Email in subject DN are no longer supported.
- ARC: Now Mail-DKIM 0.55 or better is required for ARC support.
- WWSympa: Admin function to bulk unsubscribe which has been provided by 6.1.x was restored [\#27](https://github.com/sympa-community/sympa/issues/27).
**Fixed bugs:**
- "Use of uninitialized value $salt" on `--import`[\#656](https://github.com/sympa-community/sympa/issues/656)
- Improve handling of missing `sympa/web_tt2` during upgrade [\#652](https://github.com/sympa-community/sympa/issues/652)
**Merged pull requests:**
- Support Test::Compile 2.0.0 [\#664](https://github.com/sympa-community/sympa/pull/664)([ikedas](https://github.com/ikedas))
- Remove all unneeded files from foundation-icons directory [\#649](https://github.com/sympa-community/sympa/pull/649)([xavierba](https://github.com/xavierba))