[gthumb] Updated for version 3.12.1

[Paolo Bacchilega <paobac src gnome org>]

commit bac5dd5adc3f7bce65af4f70305a9482e41562b8
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Mon Mar 21 19:35:58 2022 +0100

    Updated for version 3.12.1

 NEWS                                         | 33 ++++++++++++++++++++++++++++
 data/appdata/org.gnome.gThumb.appdata.xml.in |  5 ++---
 meson.build                                  |  2 +-
 3 files changed, 36 insertions(+), 4 deletions(-)
---
diff --git a/NEWS b/NEWS
index 0d6582b9..9b59284f 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,36 @@
+Version 3.12.1
+~~~~~~~~~~~~~~
+Released: 2022-03-21
+
+Bugfixes:
+ * PNG loader ignores gAMA. (#194)
+ * Transparent webp images are rendered incorrectly. (#199)
+ * Crash when dropping files on an empty folder/catalog. (#220)
+ * Fixed location loading after mounting volume.
+ * JPEG image dimensions not displayed for files inside the trash. (#214)
+ * Infinite Loop when viewing more than 50 thumbnails. (Kendy Kutzner)
+ * X11 window title is not set. (Bruno Vasselle)
+ * Copy release notes on build from NEWS to metainfo file. (Federico Bruni)
+ * Fixed build if appstream >= 0.14.6 is not available.
+ * Fix incorrect usage of shared_module in extensions. (Jakub Jirutka)
+ * cli: mention that user can open files and/or directories. (#167)
+
+Translations:
+ * Basealt (Olesya Gerasimenko)
+ * Catalan (Jordi Mas)
+ * Croatian (gogo)
+ * Dutch (Nathan Follens)
+ * Hebrew (Yosef Or Boczko)
+ * Japanese (sicklylife)
+ * Swedish (Anders Jonsson)
+ * Turkish (Emin Tufan Çetin)
+ * српски (Мирослав Николић)
+
+Contributors:
+ Kendy Kutzner, Bruno Vasselle, Federico Bruni, Jakub Jirutka,
+ Olesya Gerasimenko, Jordi Mas, gogo, Nathan Follens, Yosef Or Boczko
+ sicklylife, Anders Jonsson, Emin Tufan Çetin, Мирослав Николић
+
 Version 3.12.0
 ~~~~~~~~~~~~~~
 Released: 2021-09-19
diff --git a/data/appdata/org.gnome.gThumb.appdata.xml.in b/data/appdata/org.gnome.gThumb.appdata.xml.in
index f0b27790..9c7077bf 100644
--- a/data/appdata/org.gnome.gThumb.appdata.xml.in
+++ b/data/appdata/org.gnome.gThumb.appdata.xml.in
@@ -44,9 +44,11 @@
   <screenshots>
     <screenshot type="default">
       <image 
type="source">https://gitlab.gnome.org/GNOME/gthumb/raw/master/data/appdata/ss-browser.png</image>
+      <caption>Browser mode</caption>
     </screenshot>
     <screenshot>
       <image 
type="source">https://gitlab.gnome.org/GNOME/gthumb/raw/master/data/appdata/ss-viewer.png</image>
+      <caption>Viewer mode</caption>
     </screenshot>
   </screenshots>
 
@@ -60,9 +62,6 @@
   <project_group>GNOME</project_group>
   <translation type="gettext">gthumb</translation>
 
-  <provides>
-    <id>org.gnome.gThumb.desktop</id>
-  </provides>
   <content_rating type="oars-1.1">
     <content_attribute id="social-info">mild</content_attribute>
     <content_attribute id="social-audio">moderate</content_attribute>
diff --git a/meson.build b/meson.build
index 1647a55b..dd2a8acc 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project('gthumb', ['c', 'cpp'],
   license : 'GPL2+',
-  version : '3.12.0',
+  version : '3.12.1',
   meson_version : '>=0.43'
 )