diff --git a/Changelog.md b/Changelog.md
--- a/Changelog.md
+++ b/Changelog.md
@@ -1,3 +1,10 @@
+## 0.7.3
+
+### Build Issues
+
+* Fix build issues with `primitive` package version >= 0.7.1.
+* Fix build issues on armv7.
+
 ## 0.7.2
 
 ### Bug Fixes
diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -1,11 +1,6 @@
 # Streamly
 
-[![Hackage](https://img.shields.io/hackage/v/streamly.svg?style=flat)](https://hackage.haskell.org/package/streamly)
 [![Gitter chat](https://badges.gitter.im/composewell/gitter.svg)](https://gitter.im/composewell/streamly)
-[![Travis](https://travis-ci.com/composewell/streamly.svg?branch=master)](https://travis-ci.com/composewell/streamly)
-[![Appveyor](https://ci.appveyor.com/api/projects/status/ajxg0c79raou9ned?svg=true)](https://ci.appveyor.com/project/harendra-kumar/streamly)
-[![CircleCI](https://circleci.com/gh/composewell/streamly/tree/master.svg?style=svg)](https://circleci.com/gh/composewell/streamly/tree/master)
-[![Coverage Status](https://coveralls.io/repos/composewell/streamly/badge.svg?branch=master&service=github)](https://coveralls.io/github/composewell/streamly?branch=master)
 
 ## Learning Materials
 
diff --git a/configure b/configure
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.69 for streamly 0.7.2.
+# Generated by GNU Autoconf 2.69 for streamly 0.7.3.
 #
 # Report bugs to <streamly@composewell.com>.
 #
@@ -580,8 +580,8 @@
 # Identity of this package.
 PACKAGE_NAME='streamly'
 PACKAGE_TARNAME='streamly'
-PACKAGE_VERSION='0.7.2'
-PACKAGE_STRING='streamly 0.7.2'
+PACKAGE_VERSION='0.7.3'
+PACKAGE_STRING='streamly 0.7.3'
 PACKAGE_BUGREPORT='streamly@composewell.com'
 PACKAGE_URL=''
 
@@ -1236,7 +1236,7 @@
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures streamly 0.7.2 to adapt to many kinds of systems.
+\`configure' configures streamly 0.7.3 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1298,7 +1298,7 @@
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of streamly 0.7.2:";;
+     short | recursive ) echo "Configuration of streamly 0.7.3:";;
    esac
   cat <<\_ACEOF
 
@@ -1383,7 +1383,7 @@
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-streamly configure 0.7.2
+streamly configure 0.7.3
 generated by GNU Autoconf 2.69
 
 Copyright (C) 2012 Free Software Foundation, Inc.
@@ -1752,7 +1752,7 @@
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by streamly $as_me 0.7.2, which was
+It was created by streamly $as_me 0.7.3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   $ $0 $@
@@ -3830,7 +3830,7 @@
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by streamly $as_me 0.7.2, which was
+This file was extended by streamly $as_me 0.7.3, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -3883,7 +3883,7 @@
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config="`$as_echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`"
 ac_cs_version="\\
-streamly config.status 0.7.2
+streamly config.status 0.7.3
 configured by $0, generated by GNU Autoconf 2.69,
   with options \\"\$ac_cs_config\\"
 
diff --git a/configure.ac b/configure.ac
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,7 @@
 # See https://www.gnu.org/software/autoconf/manual/autoconf.html for help on
 # the macros used in this file.
 
-AC_INIT([streamly], [0.7.2], [streamly@composewell.com], [streamly])
+AC_INIT([streamly], [0.7.3], [streamly@composewell.com], [streamly])
 
 # To suppress "WARNING: unrecognized options: --with-compiler"
 AC_ARG_WITH([compiler], [GHC])
diff --git a/src/Streamly/FileSystem/IOVec.hsc b/src/Streamly/FileSystem/IOVec.hsc
--- a/src/Streamly/FileSystem/IOVec.hsc
+++ b/src/Streamly/FileSystem/IOVec.hsc
@@ -3,6 +3,8 @@
 {-# LANGUAGE CApiFFI #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 
+#include "MachDeps.h"
+
 -- |
 -- Module      : Streamly.FileSystem.IOVec
 -- Copyright   : (c) 2019 Composewell Technologies
@@ -23,7 +25,7 @@
 where
 
 import Data.Word (Word8)
-#if defined(i386_HOST_ARCH)
+#if (WORD_SIZE_IN_BITS == 32)
 import Data.Word (Word32)
 #else
 import Data.Word (Word64)
@@ -41,7 +43,7 @@
 
 data IOVec = IOVec
   { iovBase :: {-# UNPACK #-} !(Ptr Word8)
-#if defined(i386_HOST_ARCH)
+#if (WORD_SIZE_IN_BITS == 32)
   , iovLen  :: {-# UNPACK #-} !Word32
 #else
   , iovLen  :: {-# UNPACK #-} !Word64
diff --git a/src/Streamly/Internal/Data/Array.hs b/src/Streamly/Internal/Data/Array.hs
--- a/src/Streamly/Internal/Data/Array.hs
+++ b/src/Streamly/Internal/Data/Array.hs
@@ -47,7 +47,9 @@
 where
 
 import Prelude hiding (foldr, length, read)
+#if !MIN_VERSION_primitive(0,7,1)
 import Control.DeepSeq (NFData(..))
+#endif
 import Control.Monad (when)
 import Control.Monad.IO.Class (liftIO, MonadIO)
 import GHC.IO (unsafePerformIO)
@@ -160,9 +162,11 @@
 fromList :: [a] -> Array a
 fromList xs = unsafePerformIO $ fromStreamD $ D.fromList xs
 
+#if !MIN_VERSION_primitive(0,7,1)
 instance NFData a => NFData (Array a) where
     {-# INLINE rnf #-}
     rnf = foldl' (\_ x -> rnf x) ()
+#endif
 
 {-# INLINE fromStreamN #-}
 fromStreamN :: MonadIO m => Int -> SerialT m a -> m (Array a)
diff --git a/streamly.cabal b/streamly.cabal
--- a/streamly.cabal
+++ b/streamly.cabal
@@ -1,6 +1,6 @@
 cabal-version:      2.2
 name:               streamly
-version:            0.7.2
+version:            0.7.3
 synopsis:           Beautiful Streaming, Concurrent and Reactive Composition
 description:
   Streamly is a framework for writing programs in a high level, declarative