This release adds some new features and fixes some bugs. New features of note:
* forward plugin: new option `next`, to try alternate upstreams when receiving specified response codes upstreams on (functions like the external plugin _alternate_)
* dnssec plugin: new option to load keys from AWS Secrets Manager
* rewrite plugin: new option to revert EDNS0 option rewrites in responses
## Brought to You By
AdamKorcz,
Anifalak,
Ben Kochie,
Chris O'Haver,
Frederic Hemery,
Grant Spence,
Harshita Sao,
Jason Joo,
Jasper Bernhardt,
Johnny Bergström,
Keith Coleman,
Kevin Lyda,
Lan,
Lin-1997,
Manuel Rüger,
Nathan Currier,
Nicolai Søborg,
Nikita Usatov,
Paco Xu,
Reinhard Nägele,
Robbie Ostrow,
TAKAHASHI Shuuji,
Till Riedel,
Tobias Klauser,
YASH JAIN,
cedar-gao,
chenylh,
wmkuipers,
xinbenlv,
zhangguanzhang
## Noteworthy Changes
* core: set cache-control max-age as integer, not float (https://github.com/coredns/coredns/pull/6764)
* plugin/metadata: evaluate metadata in plugin order (https://github.com/coredns/coredns/pull/6729)
* plugin/dnssec: dnssec load keys from AWS Secrets Manager (https://github.com/coredns/coredns/pull/6618)
* plugin/rewrite: Add "revert" parameter for EDNS0 options (https://github.com/coredns/coredns/pull/6893)
* container: Restored backwards compatibility of Current Workdir (https://github.com/coredns/coredns/pull/6731)
* plugin/auto: call OnShutdown() for each zone at its own OnShutdown() (https://github.com/coredns/coredns/pull/6705)
* plugin/dnstap: log queue and buffer memory size configuration (https://github.com/coredns/coredns/pull/6591)
* plugin/bind: add zone for link-local IPv6 instead of skipping (https://github.com/coredns/coredns/pull/6547)
* plugin/kubernetes: only create PTR records for endpoints with hostname defined (https://github.com/coredns/coredns/pull/6898)
* plugin/rewrite: execute the reversion in reversed order (https://github.com/coredns/coredns/pull/6872)
* plugin/etcd: fix etcd connection leakage during reload (https://github.com/coredns/coredns/pull/6646)