diff --git a/eclipse.spec b/eclipse.spec
index 738c8d0..f96f1dd 100644
--- a/eclipse.spec
+++ b/eclipse.spec
@@ -23,12 +23,12 @@ Epoch:  1
 Summary:        An open, extensible IDE
 Name:           eclipse
 Version:        %{eclipse_majmin}.%{eclipse_micro}
-Release:        0.3.RC3%{?dist}
+Release:        0.4.RC4%{?dist}
 License:        EPL
 Group:          Text Editors/Integrated Development Environments (IDE)
 URL:            http://www.eclipse.org/
-Source0:        %{download_url}eclipse-build-72f69517dd6d60c307730f5aa59be90d06b22cc8.tar.xz
-Source1:        %{download_url}eclipse-3.7.0-I20110526-1708-src.tar.bz2
+Source0:        %{download_url}eclipse-build-369d253fab5d971d17c5a782d97db6723bdeed5a.tar.xz
+Source1:        %{download_url}eclipse-3.7.0-I20110603-0909-src.tar.bz2
 # Patch to allow xpcom.cpp to build under latest xulrunner which has removed
 # a particular API and a type it depends on so we don't want to compile that
 # API
@@ -72,7 +72,7 @@ BuildRequires: junit >= 3.8.1-3jpp
 BuildRequires: junit4
 BuildRequires: hamcrest >= 0:1.1-9.2
 BuildRequires: sat4j >= 2.3.0-1
-BuildRequires: objectweb-asm
+BuildRequires: objectweb-asm >= 3.3.1-1
 
 %description
 The Eclipse platform is designed for building integrated development
@@ -152,7 +152,7 @@ Provides:       eclipse = %{epoch}:%{version}-%{release}
 Provides:       eclipse-sdk = %{epoch}:%{version}-%{release}
 Requires:       %{name}-platform = %{epoch}:%{version}-%{release}
 Requires:       %{name}-jdt = %{epoch}:%{version}-%{release}
-Requires:       objectweb-asm
+Requires:       objectweb-asm >= 3.3.1-1
 Requires:       hamcrest >= 0:1.1-9.2
 # For PDE Build wrapper script + creating jars
 Requires:       zip
@@ -165,10 +165,10 @@ Eclipse Plugin Development Environment.  This package is required for
 developing Eclipse plugins.
 
 %prep
-%setup -q -n eclipse-build-72f69517dd6d60c307730f5aa59be90d06b22cc8
+%setup -q -n eclipse-build-369d253fab5d971d17c5a782d97db6723bdeed5a
 cp %{SOURCE1} .
 ant -DbuildArch=%{eclipse_arch} applyPatches
-pushd build/eclipse-3.7.0-I20110526-1708-src
+pushd build/eclipse-3.7.0-I20110603-0909-src
 pushd plugins/org.eclipse.swt
 pushd Eclipse\ SWT\ Mozilla/common/library/
 %patch1
@@ -340,6 +340,7 @@ fi
 
 %files rcp
 %defattr(-,root,root)
+%dir %{_libdir}/%{name}/features
 %dir %{_datadir}/%{name}
 %if %{initialize}
 %{_libdir}/%{name}/configuration/org.eclipse.osgi/.bundledata*
@@ -358,6 +359,7 @@ fi
 %{_libdir}/%{name}/about_files
 %endif
 %{_libdir}/%{name}/readme
+%{_libdir}/%{name}/features/org.eclipse.rcp_*
 %{_libdir}/%{name}/plugins/org.eclipse.core.commands_*
 %{_libdir}/%{name}/plugins/org.eclipse.core.contenttype_*
 %{_libdir}/%{name}/plugins/org.eclipse.core.databinding_*
@@ -404,6 +406,7 @@ fi
 %{_libdir}/%{name}/eclipse
 %dir %{_libdir}/%{name}/dropins
 %dir %{_datadir}/%{name}/dropins
+%{_libdir}/%{name}/features/org.eclipse.platform_*
 %{_libdir}/%{name}/plugins/com.jcraft.jsch_*
 %{_libdir}/%{name}/plugins/javax.servlet_*
 %{_libdir}/%{name}/plugins/javax.servlet.jsp_*
@@ -484,10 +487,16 @@ fi
 %{_libdir}/%{name}/plugins/org.eclipse.cvs_*
 %{_libdir}/%{name}/plugins/org.eclipse.team.cvs.ssh2_*
 %{_libdir}/%{name}/plugins/org.eclipse.team.cvs.ui_*
+%{_libdir}/%{name}/features/org.eclipse.cvs_*
+%{_libdir}/%{name}/features/org.eclipse.help_*
 %{_libdir}/%{name}/plugins/org.apache.jasper_*
 %{_libdir}/%{name}/plugins/org.eclipse.equinox.frameworkadmin_*
 %{_libdir}/%{name}/plugins/org.eclipse.equinox.frameworkadmin.equinox_*
 %{_libdir}/%{name}/plugins/org.eclipse.equinox.simpleconfigurator.manipulator_*
+%{_libdir}/%{name}/features/org.eclipse.equinox.p2.core.feature_*
+%{_libdir}/%{name}/features/org.eclipse.equinox.p2.extras.feature_*
+%{_libdir}/%{name}/features/org.eclipse.equinox.p2.rcp.feature_*
+%{_libdir}/%{name}/features/org.eclipse.equinox.p2.user.ui_*
 %{_libdir}/%{name}/plugins/org.eclipse.equinox.p2.director_*
 %{_libdir}/%{name}/plugins/org.eclipse.equinox.p2.core_*
 %{_libdir}/%{name}/plugins/org.eclipse.equinox.p2.engine_*
@@ -547,6 +556,10 @@ fi
 %{_libdir}/%{name}/dropins/sdk
 
 %changelog
+* Tue Jun 07 2011 Chris Aniszczyk <zx@redhat.com> 1:3.7.0-0.4.RC4
+- New e-b snapshot to update build on 3.7 RC4
+- Added usage of features back
+
 * Thu Jun 02 2011 Chris Aniszczyk <zx@redhat.com> 1:3.7.0-0.3.RC3
 - New e-b snapshot to update build on 3.7 RC3
 - removed efj as it's part of eclipse-build now
diff --git a/sources b/sources
index ce053f0..6706ddf 100644
--- a/sources
+++ b/sources
@@ -1,2 +1,2 @@
-00e1387dcd95c6e3d0743e4c64578ea3  eclipse-3.7.0-I20110526-1708-src.tar.bz2
-d72c685082f95c9117b63a787c956132  eclipse-build-72f69517dd6d60c307730f5aa59be90d06b22cc8.tar.xz
+98b76c619fb45ee4b17ef8af9fd7a973  eclipse-3.7.0-I20110603-0909-src.tar.bz2
+dcc5ff2068286f88f76264e59dfb66b3  eclipse-build-369d253fab5d971d17c5a782d97db6723bdeed5a.tar.xz