Update changelog

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 ## Bug Reports
 
-Before reporting a bug, please ensure that you are using the latest release (currently stack-1.1.0).  See the [upgrade instructions](http://docs.haskellstack.org/en/stable/install_and_upgrade/#upgrade) to upgrade.
+Before reporting a bug, please ensure that you are using the latest release (currently stack-1.1.2).  See the [upgrade instructions](http://docs.haskellstack.org/en/stable/install_and_upgrade/#upgrade) to upgrade.
 
 When reporting a bug, please write in the following format:
 

ChangeLog.md

@@ -2,8 +2,6 @@
 
 ## 1.1.2
 
-Release notes:
-
 Major changes:
 
 * Extensible custom snapshots implemented. These allow you to define snapshots
@@ -41,6 +39,7 @@ Other enhancements:
   [#1460](https://github.com/commercialhaskell/stack/issues/1460)
 * `stack haddock` now supports `--hadock-arguments`. See
   [#2144](https://github.com/commercialhaskell/stack/issues/2144)
+* Signing: warn if GPG_TTY is not set as per `man gpg-agent`
 
 Bug fixes:
 
@@ -63,6 +62,7 @@ Bug fixes:
 * Relative paths outside of source dir added via `qAddDependentFile` are now
   checked for dirtiness. See
   [#1982](https://github.com/commercialhaskell/stack/issues/1982)
+* Signing: always use `--with-fingerprints`
 
 ## 1.1.0