Update changelog for 2.5.

debian/changelog

 tails (2.5) UNRELEASED; urgency=medium
 
-  * Dummy entry.
+  * Major new features and changes
+    - Upgrade Icedove to 1:45.1.0-1~deb8u1+tails2. (Closes: #11530)
+      · Fix long delay causing bad UX in the autoconfig wizard,
+        when it does not manage to guess proper settings on some domains.
+        (Closes: #11486)
+      · Better support sending email through some ISPs, such as Riseup.
+        (Closes: #10933)
+      · Fix spurious error message when creating an account and providing
+        its password. (Closes: #11550)
+
+  * Security fixes
+    - Upgrade Tor Browser to 6.0.3 based on Firefox 45.3. (Closes: #11611)
+    - Upgrade fonts-opensymbol to 2:102.6+LibO4.3.3-2+deb8u5.
+    - Upgrade GIMP to 2.8.14-1+deb8u1.
+    - Upgrade libav to 6:11.7-1~deb8u1.
+    - Upgrade libexpat1 to 2.1.0-6+deb8u3.
+    - Upgrade libgd3 to 2.1.0-5+deb8u6.
+    - Upgrade libmodule-build-perl to 0.421000-2+deb8u1.
+    - Upgrade perl to 5.20.2-3+deb8u6.
+    - Upgrade Pidgin to 2.11.0-0+deb8u1.
+    - Upgrade LibreOffice to 1:4.3.3-2+deb8u5.
+    - Upgrade libxslt1.1 to 1.1.28-2+deb8u1.
+    - Upgrade Linux to 3.16.7-ckt25-2+deb8u3.
+    - Upgrade OpenSSH to 1:6.7p1-5+deb8u3.
+    - Upgrade p7zip to 9.20.1~dfsg.1-4.1+deb8u2.
+
+  * Minor improvements
+    - htpdate: replace obsolete and unreliable URIs in HTP pools, and decrease
+      timeout for HTTP operations for more robust time synchronization.
+      (Closes: #11577)
+    - Hide settings panel for the Online Accounts component of GNOME,
+      that we don't support. (Closes: #11545)
+    - Vastly improve graphics performance in KVM guest with QXL driver.
+      (Closes: #11500)
+    - Fix graphics artifacts in Tor Browser in KVM guest with QXL driver.
+      (Closes: #11489)
+
+  * Build system
+    - Wrap Pidgin in a more maintainable way. (Closes: #11567)
 
- -- anonym <anonym@riseup.net>  Tue, 07 Jun 2016 02:19:45 +0200
+  * Test suite
+    - Add a test scenario for the persistence "dotfiles" feature.
+      (Closes: #10840)
+    - Improve robustness of most APT, Git, SFTP and SSH scenarios,
+      enough to enable them on Jenkins. (Closes: #10444, #10496, #10498)
+    - Improve robustness of checking for persistence partition. (Closes: #11558)
+    - Treat Tails booting from /dev/sda as OK, to support all cases
+      including a weird one caused by hybrid ISO images. (Closes: #10504)
+    - Bump a bunch of timeouts to cope with the occasional slowness on Jenkins.
+    - Only query A records when exercising DNS lookups, to improve robustness.
+
+ -- Tails developers <tails@boum.org>  Sun, 31 Jul 2016 08:55:45 +0000
 
 tails (2.4) unstable; urgency=medium