diff --git a/CHANGELOG.md b/CHANGELOG.md
index 25638486f..b7d500468 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-### [1.3.0-RC] - 2016-11-XX
+### [1.3.0-RC] - 2016-12-XX
 
   * Added `--minor-only` to the `outdated` command to only show updates to minor versions and ignore new major versions
   * Added workaround for xdebug performance impact by restarting PHP without xdebug automatically in case it is enabled
@@ -10,6 +10,13 @@
   * Removed `hash` from composer.lock, only `content-hash` is now used which should reduce conflicts
   * Minor fixes and performance improvements
 
+### [1.2.4] - 2016-12-06
+
+  * Fixed regression in output handling of scripts from 1.2.3
+  * Fixed support for LibreSSL detection as lib-openssl
+  * Fixed issue with Zend Guard in the autoloader bootstrapping
+  * Fixed support for loading partial provider repositories
+
 ### [1.2.3] - 2016-12-01
 
   * Fixed bug in HgDriver failing to identify BitBucket repositories
@@ -458,7 +465,8 @@
 
   * Initial release
 
-[1.3.0-RC]: https://github.com/composer/composer/compare/1.2.3...1.3.0-RC
+[1.3.0-RC]: https://github.com/composer/composer/compare/1.2.4...1.3.0-RC
+[1.2.4]: https://github.com/composer/composer/compare/1.2.3...1.2.4
 [1.2.3]: https://github.com/composer/composer/compare/1.2.2...1.2.3
 [1.2.2]: https://github.com/composer/composer/compare/1.2.1...1.2.2
 [1.2.1]: https://github.com/composer/composer/compare/1.2.0...1.2.1
diff --git a/src/Composer/Repository/ComposerRepository.php b/src/Composer/Repository/ComposerRepository.php
index e2a73beb0..29276ce73 100644
--- a/src/Composer/Repository/ComposerRepository.php
+++ b/src/Composer/Repository/ComposerRepository.php
@@ -785,7 +785,20 @@ class ComposerRepository extends ArrayRepository implements ConfigurableReposito
 
         $this->partialPackagesByName = array();
         foreach ($rootData['packages'] as $package => $versions) {
-            $this->partialPackagesByName[strtolower($package)] = $versions;
+            $package = strtolower($package);
+            foreach ($versions as $version) {
+                $this->partialPackagesByName[$package][] = $version;
+                if (!empty($version['provide']) && is_array($version['provide'])) {
+                    foreach ($version['provide'] as $provided => $providedVersion) {
+                        $this->partialPackagesByName[strtolower($provided)][] = $version;
+                    }
+                }
+                if (!empty($version['replace']) && is_array($version['replace'])) {
+                    foreach ($version['replace'] as $provided => $providedVersion) {
+                        $this->partialPackagesByName[strtolower($provided)][] = $version;
+                    }
+                }
+            }
         }
 
         // wipe rootData as it is fully consumed at this point and this saves some memory