diff --git a/ChangeLog.md b/ChangeLog.md
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,3 +1,7 @@
+## 1.2.7
+
+* Expose yieldM for ConduitM [#270](https://github.com/snoyberg/conduit/pull/270)
+
 ## 1.2.6.6
 
 * Fix test suite compilation on older GHCs
diff --git a/Data/Conduit.hs b/Data/Conduit.hs
--- a/Data/Conduit.hs
+++ b/Data/Conduit.hs
@@ -3,7 +3,7 @@
 {-# LANGUAGE Safe #-}
 -- | If this is your first time with conduit, you should probably start with
 -- the tutorial:
--- <https://haskell.fpcomplete.com/user/snoyberg/library-documentation/conduit-overview>.
+-- <https://github.com/snoyberg/conduit#readme>.
 module Data.Conduit
     ( -- * Core interface
       -- ** Types
@@ -27,6 +27,7 @@
       -- ** Primitives
     , await
     , yield
+    , yieldM
     , leftover
     , runConduit
 
diff --git a/Data/Conduit/Internal/Conduit.hs b/Data/Conduit/Internal/Conduit.hs
--- a/Data/Conduit/Internal/Conduit.hs
+++ b/Data/Conduit/Internal/Conduit.hs
@@ -419,7 +419,7 @@
 -- example, if an exception is thrown in a @Source@ feeding to a @Sink@, and
 -- the @Sink@ uses @catchC@, the exception will /not/ be caught.
 --
--- Due to this behavior (as well as lack of async exception handling), you
+-- Due to this behavior (as well as lack of async exception safety), you
 -- should not try to implement combinators such as @onException@ in terms of this
 -- primitive function.
 --
@@ -842,6 +842,9 @@
 yield o = yieldOr o (return ())
 {-# INLINE yield #-}
 
+-- | Send a monadic value downstream for the next component to consume.
+--
+-- @since 1.2.7
 yieldM :: Monad m => m o -> ConduitM i o m ()
 yieldM mo = lift mo >>= yield
 {-# INLINE yieldM #-}
@@ -854,7 +857,7 @@
 -- /Note/: it is highly encouraged to only return leftover values from input
 -- already consumed from upstream.
 --
--- Since 0.5.0
+-- @since 0.5.0
 leftover :: i -> ConduitM i o m ()
 leftover i = ConduitM $ \rest -> Leftover (rest ()) i
 {-# INLINE leftover #-}
diff --git a/conduit.cabal b/conduit.cabal
--- a/conduit.cabal
+++ b/conduit.cabal
@@ -1,5 +1,5 @@
 Name:                conduit
-Version:             1.2.6.6
+Version:             1.2.7
 Synopsis:            Streaming data processing library.
 description:
     Hackage documentation generation is not reliable. For up to date documentation, please see: <http://www.stackage.org/package/conduit>.