diff --git a/yesod-core/Yesod/Core/Dispatch.hs b/yesod-core/Yesod/Core/Dispatch.hs
index c220ecec..17674268 100644
--- a/yesod-core/Yesod/Core/Dispatch.hs
+++ b/yesod-core/Yesod/Core/Dispatch.hs
@@ -17,6 +17,8 @@ module Yesod.Core.Dispatch
     , mkYesodSubData
     , mkYesodDispatch
     , mkYesodSubDispatch
+      -- *** Helpers
+    , getGetMaxExpires
       -- ** Path pieces
     , PathPiece (..)
     , PathMultiPiece (..)
@@ -24,6 +26,7 @@ module Yesod.Core.Dispatch
       -- * Convert to WAI
     , toWaiApp
     , toWaiAppPlain
+    , toWaiAppYre
     , warp
     , warpDebug
     , warpEnv
@@ -93,6 +96,11 @@ toWaiAppPlain site = do
             , yreGetMaxExpires = getMaxExpires
             }
 
+-- | Pure low level function to construct WAI application. Usefull
+-- when you need not standard way to run your app, or want to embed it
+-- inside another app.
+--
+-- @since 1.4.29
 toWaiAppYre :: YesodDispatch site => YesodRunnerEnv site -> W.Application
 toWaiAppYre yre req =
     case cleanPath site $ W.pathInfo req of
@@ -237,6 +245,10 @@ warpEnv site = do
                 Nothing -> error $ "warpEnv: invalid PORT environment variable: " ++ show portS
                 Just port -> warp port site
 
+-- | Default constructor for 'yreGetMaxExpires' field. Low level
+-- function for simple manual construction of 'YesodRunnerEnv'.
+--
+-- @since 1.4.29
 getGetMaxExpires :: IO (IO Text)
 getGetMaxExpires = mkAutoUpdate defaultUpdateSettings
   { updateAction = getCurrentMaxExpiresRFC1123
diff --git a/yesod-core/yesod-core.cabal b/yesod-core/yesod-core.cabal
index 0057f89a..f2a34d91 100644
--- a/yesod-core/yesod-core.cabal
+++ b/yesod-core/yesod-core.cabal
@@ -1,5 +1,5 @@
 name:            yesod-core
-version:         1.4.28
+version:         1.4.29
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -56,7 +56,7 @@ library
                    , resourcet             >= 0.4.9    && < 1.2
                    , lifted-base           >= 0.1.2
                    , blaze-html            >= 0.5
-                   , blaze-markup          >= 0.5.1
+                   , blaze-markup          >= 0.7.1
                    , data-default
                    , safe
                    , warp                  >= 3.0.2