Update changelog for 2.12.

debian/changelog

 tails (2.12) UNRELEASED; urgency=medium
 
-  * Dummy entry.
-
- -- Tails developers <tails@boum.org>  Fri, 07 Apr 2017 13:55:00 +0200
-
-tails (2.12~rc1) unstable; urgency=medium
-
   * Major changes
     - Completely remove I2P. :( We have decided to remove I2P (see
       #11276) due to our failure of finding someone interested in
@@ -13,6 +7,8 @@ tails (2.12~rc1) unstable; urgency=medium
     - Upgrade the Linux kernel to 4.9.0-0.bpo.2 (Closes: #12122).
 
   * Security fixes
+    - Upgrade Tor Browser to 6.5.2 based on Firefox 45.9. (Closes:
+      #12444)
     - Mount a dedicated filesystem on /var/tmp, to mitigate the
       hardlinks permissions open by the user-tmp abstraction. See
       https://labs.riseup.net/code/issues/9949#note-23 for details
@@ -25,6 +21,13 @@ tails (2.12~rc1) unstable; urgency=medium
       repository. This has two problems. First, this results in unsafe
       permissions on this file (e.g. a Vagrant build results in the
       'amnesia' user having write access to it).
+    - Upgrade libjasper1 to 1.900.1-debian1-2.4+deb8u3
+    - Upgrade gstreamer and its plugins to 1.4.4-2+deb8u1.
+    - Upgrade eject to 2.1.5+deb1+cvs20081104-13.1+deb8u1.
+    - Upgrade imagemagick to 8:6.8.9.9-5+deb8u8.
+    - Upgrade pidgin to 2.11.0-0+deb8u2.
+    - Upgrade samba to 2:4.2.14+dfsg-0+deb8u5.
+
 
   * Minor improvements
     - Don't add the live user to the "audio" group. This should not be
@@ -54,6 +57,7 @@ tails (2.12~rc1) unstable; urgency=medium
       have `PrivateNetwork=yes` set.
     - Get tor's bootstrap progress via GETINFO instead of log
       grep:ing.
+    - Upgrade tor to 0.2.9.10-1~d80.jessie+1
 
   * Bugfixes
     - mirror-pool-dispatcher: bump maximum expected mirrors.json size
@@ -72,6 +76,7 @@ tails (2.12~rc1) unstable; urgency=medium
       by being more flexible when matching local packages in the apt
       list file (Closes: #12374). Thanks to Arnaud <arnaud@preev.io>
       for the patch!
+    - auto/build: support Stretch's GnuPG v2 keyring filename.
 
   * Test suite
     - Try possible fix for #11508. IPv6Packet:s' source is accessed by
@@ -88,7 +93,7 @@ tails (2.12~rc1) unstable; urgency=medium
       * Remove obsolete debug logging now that we don't log anything
         interesting for `restart-tor` any more.
 
- -- Tails developers <tails@boum.org>  Thu, 06 Apr 2017 23:12:57 +0200
+ -- Tails developers <tails@boum.org>  Tue, 18 Apr 2017 13:12:47 +0200
 
 tails (2.11) unstable; urgency=medium