diff -Nru digikam-5.6.0/debian/changelog digikam-5.6.0/debian/changelog
--- digikam-5.6.0/debian/changelog	2018-03-15 19:51:38.000000000 +0000
+++ digikam-5.6.0/debian/changelog	2018-03-30 10:27:13.000000000 +0000
@@ -1,3 +1,11 @@
+digikam (4:5.6.0-0ubuntu10) bionic; urgency=medium
+
+  * Cherry pick upstream patch to fix missing album thumbnail previews
+    with Qt => 5.9.3
+    - debian/patches: upstream_fix-Qt-5.9.3-empty-album.patch
+
+ -- Rik Mills <rikmills@kubuntu.org>  Fri, 30 Mar 2018 11:27:13 +0100
+
 digikam (4:5.6.0-0ubuntu9) bionic; urgency=medium
 
   * Add upstream patch to fix conflicts with new KDE global shortcuts
diff -Nru digikam-5.6.0/debian/patches/series digikam-5.6.0/debian/patches/series
--- digikam-5.6.0/debian/patches/series	2018-03-15 19:51:38.000000000 +0000
+++ digikam-5.6.0/debian/patches/series	2018-03-30 10:27:13.000000000 +0000
@@ -3,3 +3,4 @@
 upstream_fix-FTBFS-with_cmake_3.9.patch
 internal-libraw-fix-ftbfs-with-glibc2.27.patch
 upstream_fix-conflicting-shortcuts.patch
+upstream_fix-Qt-5.9.3-empty-album.patch
diff -Nru digikam-5.6.0/debian/patches/upstream_fix-Qt-5.9.3-empty-album.patch digikam-5.6.0/debian/patches/upstream_fix-Qt-5.9.3-empty-album.patch
--- digikam-5.6.0/debian/patches/upstream_fix-Qt-5.9.3-empty-album.patch	1970-01-01 00:00:00.000000000 +0000
+++ digikam-5.6.0/debian/patches/upstream_fix-Qt-5.9.3-empty-album.patch	2018-03-30 10:27:13.000000000 +0000
@@ -0,0 +1,31 @@
+From 855ba5b7d4bc6337234720a72ea824ddd3b32e5b Mon Sep 17 00:00:00 2001
+From: Maik Qualmann <metzpinguin@gmail.com>
+Date: Tue, 28 Nov 2017 21:29:00 +0100
+Subject: try to fix the Qt-5.9.3 empty album problem CCBUGS: 387373
+
+---
+ core/libs/database/coredb/coredburl.cpp | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/core/libs/database/coredb/coredburl.cpp b/core/libs/database/coredb/coredburl.cpp
+index 2c0d0eb..b1bdf71 100644
+--- a/core/libs/database/coredb/coredburl.cpp
++++ b/core/libs/database/coredb/coredburl.cpp
+@@ -88,8 +88,13 @@ CoreDbUrl CoreDbUrl::fromAlbumAndName(const QString& name,
+                                       const DbEngineParameters& parameters)
+ {
+     CoreDbUrl url;
++    QString path(album);
+     url.setScheme(QLatin1String("digikamalbums"));
+-    url.setPath(QLatin1Char('/') + album + QLatin1Char('/') + name);
++
++    if (path != QLatin1Char('/'))
++        path += QLatin1Char('/');
++
++    url.setPath(path + name);
+ 
+     QUrlQuery q(url);
+     q.addQueryItem(QLatin1String("albumRoot"),   albumRoot.adjusted(QUrl::StripTrailingSlash).toLocalFile());
+-- 
+cgit v0.11.2
+