diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.4.0
+
+* New major release (microlens-0.4.11, microlens-ghc-0.4.11, microlens-th-0.4.3, microlens-mtl-0.2.0).
+
 # 0.3.11
 
 * New minor release (microlens-0.4.10, microlens-ghc-0.4.10).
diff --git a/microlens-platform.cabal b/microlens-platform.cabal
--- a/microlens-platform.cabal
+++ b/microlens-platform.cabal
@@ -1,6 +1,6 @@
 name:                microlens-platform
-version:             0.3.11
-synopsis:            Feature-complete microlens
+version:             0.4.0
+synopsis:            microlens + all batteries included (best for apps)
 description:
   This package exports a module which is the recommended starting point for using <http://hackage.haskell.org/package/microlens microlens> if you aren't trying to keep your dependencies minimal. By importing @Lens.Micro.Platform@ you get all functions and instances from <http://hackage.haskell.org/package/microlens microlens>, <http://hackage.haskell.org/package/microlens-th microlens-th>, <http://hackage.haskell.org/package/microlens-mtl microlens-mtl>, <http://hackage.haskell.org/package/microlens-ghc microlens-ghc>, as well as instances for @Vector@, @Text@, and @HashMap@.
   .
@@ -18,6 +18,14 @@
 extra-source-files:
   CHANGELOG.md
 cabal-version:       >=1.10
+tested-with:         GHC==7.4.2
+                     GHC==7.6.3
+                     GHC==7.8.4
+                     GHC==7.10.3
+                     GHC==8.0.2
+                     GHC==8.2.2
+                     GHC==8.4.4
+                     GHC==8.6.4
 
 source-repository head
   type:                git
@@ -29,11 +37,11 @@
   -- other-modules:
   -- other-extensions:
   build-depends:       base >=4.5 && <5
-                     , hashable >=1.1.2.3 && <1.3
-                     , microlens ==0.4.10.*
-                     , microlens-ghc ==0.4.10.*
-                     , microlens-mtl ==0.1.11.*
-                     , microlens-th ==0.4.2.*
+                     , hashable >=1.1.2.3 && <1.4
+                     , microlens ==0.4.11.*
+                     , microlens-ghc ==0.4.11.*
+                     , microlens-mtl ==0.2.0.*
+                     , microlens-th ==0.4.3.*
                      , text >=0.11 && <1.3
                      , unordered-containers >=0.2.4 && <0.3
                      , vector >=0.9 && <0.13