[Full Changelog](https://github.com/habitat-sh/habitat/compare/1.5.71...1.5.86)

### New Features & Enhancements
- Add `--keep-latest` to `hab pkg uninstall` [#7595](https://github.com/habitat-sh/habitat/pull/7595) ([davidMcneil](https://github.com/davidMcneil)) <!-- 1.5.84 -->
- Automatic package cleanup with the `--keep-latest-packages` flag [#7582](https://github.com/habitat-sh/habitat/pull/7582) ([davidMcneil](https://github.com/davidMcneil)) <!-- 1.5.80 -->

### Merged Pull Requests
- [Docs] Emphasize the necessity of TCP for Supervisor function [#7611](https://github.com/habitat-sh/habitat/pull/7611) ([christophermaier](https://github.com/christophermaier)) <!-- 1.5.89 -->
- Rustfmt and Nightly Rust Bump to nightly-2020-04-08 [#7608](https://github.com/habitat-sh/habitat/pull/7608) ([chef-expeditor[bot]](https://github.com/chef-expeditor[bot])) <!-- 1.5.88 -->
- Automated update of Habitat Documentation [#7607](https://github.com/habitat-sh/habitat/pull/7607) ([chef-expeditor[bot]](https://github.com/chef-expeditor[bot])) <!-- 1.5.87 -->
- extend windows launcher build timeout to 45 minutes [#7606](https://github.com/habitat-sh/habitat/pull/7606) ([mwrock](https://github.com/mwrock)) <!-- 1.5.86 -->
- tag windows 2019 studio image with latest [#7605](https://github.com/habitat-sh/habitat/pull/7605) ([mwrock](https://github.com/mwrock)) <!-- 1.5.85 -->
- fix 2016 studio image [#7603](https://github.com/habitat-sh/habitat/pull/7603) ([mwrock](https://github.com/mwrock)) <!-- 1.5.83 -->
- Fixes truncated CLI spaces [#7589](https://github.com/habitat-sh/habitat/pull/7589) ([kagarmoe](https://github.com/kagarmoe)) <!-- 1.5.82 -->
- fix UDP port remaining open after supervisor terminates when a hook is still executing [#7597](https://github.com/habitat-sh/habitat/pull/7597) ([mwrock](https://github.com/mwrock)) <!-- 1.5.81 -->
- Add Homebrew PR merge to post-release activities [#7587](https://github.com/habitat-sh/habitat/pull/7587) ([smacfarlane](https://github.com/smacfarlane)) <!-- 1.5.79 -->
- fix linux test_pkg_install e2e test [#7586](https://github.com/habitat-sh/habitat/pull/7586) ([mwrock](https://github.com/mwrock)) <!-- 1.5.78 -->
- Error if using `-d` when entering Windows studio [#7585](https://github.com/habitat-sh/habitat/pull/7585) ([davidMcneil](https://github.com/davidMcneil)) <!-- 1.5.77 -->
- Move builder-worker post release step higher in the release readme [#7577](https://github.com/habitat-sh/habitat/pull/7577) ([mwrock](https://github.com/mwrock)) <!-- 1.5.76 -->
- Update changelog post 1.5.71 [#7566](https://github.com/habitat-sh/habitat/pull/7566) ([davidMcneil](https://github.com/davidMcneil)) <!-- 1.5.75 -->