commit 9dcbe8760312b057be54526fbda0390874db412e
Author: Erik Stielstra <info@erikstielstra.nl>
Date:   Sat Sep 26 11:18:50 2015 +0200

    1832946-locale-update.75.patch

diff --git a/core/modules/locale/locale.compare.inc b/core/modules/locale/locale.compare.inc
index 661291e..092e989 100644
--- a/core/modules/locale/locale.compare.inc
+++ b/core/modules/locale/locale.compare.inc
@@ -52,17 +52,18 @@ function locale_translation_build_projects() {
 
   $default_server = locale_translation_default_translation_server();
 
-  // If project is a dev release, or core, find the latest available release.
   foreach ($projects as $name => $data) {
     // For dev releases, remove the '-dev' part and trust the translation server
     // to fall back to the latest stable release for that branch.
-    if (preg_match("/^(\d+\.x-\d+\.)[x|\d+]-(dev|alpha|beta).*$/", $data['info']['version'], $matches)) {
-      // Example matches: 8.x-1.x-dev, 8.x-1.0-alpha1 => 8.x-1.x
-      $data['info']['version'] = $matches[1] . 'x';
-    }
-    elseif (preg_match("/^(\d+\.\d+\.)\d+.*$/", $data['info']['version'], $matches)) {
-      // Example match: 8.0.0-dev => 8.0.x (Drupal core)
-      $data['info']['version'] = $matches[1] . 'x';
+    if (isset($data['info']['version']) && strpos($data['info']['version'], '-dev')) {
+      if (preg_match("/^(\d+\.x-\d+\.).*$/", $data['info']['version'], $matches)) {
+        // Example matches: 8.x-1.x-dev, 8.x-1.0-alpha1+5-dev => 8.x-1.x
+        $data['info']['version'] = $matches[1] . 'x';
+      }
+      elseif (preg_match("/^(\d+\.\d+\.).*$/", $data['info']['version'], $matches)) {
+        // Example match: 8.0.0-dev => 8.0.x (Drupal core)
+        $data['info']['version'] = $matches[1] . 'x';
+      }
     }
 
     // For every project store information.