## 3.1.1
* Make adding a trailing slash optional [#327](https://github.com/yesodweb/wai/issues/327) [yesod#988](https://github.com/yesodweb/yesod/issues/988)
## 3.1.0
* Drop system-filepath
## 3.0.1.1
* Fix root links
## 3.0.1
* Better HEAD support [#354](https://github.com/yesodweb/wai/issues/354)
## 3.0.0.6
Fix trailing slashes for `UrlMap` and other non-root setups [#325](https://github.com/yesodweb/wai/issues/325)
## 3.0.0.4
Add missing trailing slashes [#312](https://github.com/yesodweb/wai/issues/312)
## 3.0.0.3
Support for time 1.5