diff --git a/MozillaThunderbird.changes b/MozillaThunderbird.changes
index 64f3d1f..279e25e 100644
--- a/MozillaThunderbird.changes
+++ b/MozillaThunderbird.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
-Fri Apr 20 20:56:44 UTC 2012 - wr@rosenauer.org
+Sat Apr 21 07:39:28 UTC 2012 - wr@rosenauer.org
 
-- update to Thunderbird 12.0b5
+- update to Thunderbird 12.0 (bnc#758408)
 - update Enigmail to 1.4.1
 - added mozilla-revert_621446.patch
 - added mozilla-libnotify.patch (bmo#737646)
diff --git a/MozillaThunderbird.spec b/MozillaThunderbird.spec
index 0f9247b..3a8082b 100644
--- a/MozillaThunderbird.spec
+++ b/MozillaThunderbird.spec
@@ -40,11 +40,11 @@ BuildRequires:  update-desktop-files
 BuildRequires:  xorg-x11-libXt-devel
 BuildRequires:  yasm
 BuildRequires:  zip
-%define mainversion 11.99
-%define update_channel beta
+%define mainversion 12.0
+%define update_channel release
 Version:        %{mainversion}
 Release:        0
-%define releasedate 2012042000
+%define releasedate 2012042100
 Provides:       thunderbird = %{version}
 %if %{with_kde}
 # this is needed to match this package with the kde4 helper package without the main package
diff --git a/compare-locales.tar.bz2 b/compare-locales.tar.bz2
index f8e8cc0..4d4e538 100644
--- a/compare-locales.tar.bz2
+++ b/compare-locales.tar.bz2
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:bb7f49efb57d8a8f962121435b1c656234e8c88c842d43baf9ee10f4b7e96074
-size 29368
+oid sha256:1cf4361be7ffc69552e513101e6abf5b419e1c1966edc70f83a7221c5a79c3aa
+size 29329
diff --git a/create-tar.sh b/create-tar.sh
index 341e3b6..02c293b 100644
--- a/create-tar.sh
+++ b/create-tar.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 
-CHANNEL="beta"
+CHANNEL="release"
 BRANCH="releases/comm-$CHANNEL"
-RELEASE_TAG="THUNDERBIRD_12_0b5_RELEASE"
-VERSION="11.99"
+RELEASE_TAG="THUNDERBIRD_12_0_RELEASE"
+VERSION="12.0"
 
 echo "cloning $BRANCH..."
 hg clone http://hg.mozilla.org/$BRANCH thunderbird
diff --git a/l10n-11.99.tar.bz2 b/l10n-11.99.tar.bz2
deleted file mode 100644
index 69caca8..0000000
--- a/l10n-11.99.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a8a764f6554df5bebc7a792d2df4b3975fe2a02b2ecbba28c9b5b9444b55197b
-size 25317815
diff --git a/l10n-12.0.tar.bz2 b/l10n-12.0.tar.bz2
new file mode 100644
index 0000000..057e197
--- /dev/null
+++ b/l10n-12.0.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:12a22326fc4fd28cce0ae056959548cbc40c3cf4489524f68acf73921a8edb08
+size 25501576
diff --git a/thunderbird-11.99-source.tar.bz2 b/thunderbird-11.99-source.tar.bz2
deleted file mode 100644
index 8e554e1..0000000
--- a/thunderbird-11.99-source.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:52b501c8ea44d57914d0eab841bbaa0957ee562dd1740d9472dd10d112ca7fb7
-size 98951594
diff --git a/thunderbird-12.0-source.tar.bz2 b/thunderbird-12.0-source.tar.bz2
new file mode 100644
index 0000000..3057c74
--- /dev/null
+++ b/thunderbird-12.0-source.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0aae8543214b555a408de564014266d0cffbbb61fd927026af489966bed7ae34
+size 101199838