### Merged Pull Requests
- Revert &quot;replace rants dependency with nats.io crate&quot; [#8353](https://github.com/habitat-sh/habitat/pull/8353) ([mwrock](https://github.com/mwrock)) <!-- 1.6.420 -->
- Minor updates to script to generate CLI docs [#8348](https://github.com/habitat-sh/habitat/pull/8348) ([IanMadd](https://github.com/IanMadd)) <!-- 1.6.419 -->
- Rustfmt and Nightly Rust Bump to nightly-2021-10-28 [#8347](https://github.com/habitat-sh/habitat/pull/8347) ([chef-expeditor[bot]](https://github.com/chef-expeditor[bot])) <!-- 1.6.419 -->
- updated 1.6.416 changelog [#8350](https://github.com/habitat-sh/habitat/pull/8350) ([mwrock](https://github.com/mwrock)) <!-- 1.6.418 -->