diff --git a/.gitignore b/.gitignore
index 0aa56dc..f98ec04 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 SOURCES/cbindgen-vendor.tar.xz
 SOURCES/nspr-4.34.0-3.el8_1.src.rpm
 SOURCES/nss-3.79.0-6.el8_1.src.rpm
-SOURCES/thunderbird-102.4.0.processed-source.tar.xz
-SOURCES/thunderbird-langpacks-102.4.0-20221017.tar.xz
+SOURCES/thunderbird-102.3.0.processed-source.tar.xz
+SOURCES/thunderbird-langpacks-102.3.0-20220916.tar.xz
 SOURCES/thunderbird-symbolic.svg
diff --git a/.thunderbird.metadata b/.thunderbird.metadata
index f4e62cf..5b3140c 100644
--- a/.thunderbird.metadata
+++ b/.thunderbird.metadata
@@ -1,6 +1,6 @@
 2a430d6252dbea45482ba316a6e9fa605c15e747 SOURCES/cbindgen-vendor.tar.xz
 af58b3c87a8b5491dde63b07efaeb3d7f1ec56c1 SOURCES/nspr-4.34.0-3.el8_1.src.rpm
 fc5297c6830f0a1e88f84b94b0b066487664061b SOURCES/nss-3.79.0-6.el8_1.src.rpm
-7aa61b1e427a4d57366bcde2f8f322e943675ebf SOURCES/thunderbird-102.4.0.processed-source.tar.xz
-635be6d8a3af371c45d1668fbbdd37e728a6b13d SOURCES/thunderbird-langpacks-102.4.0-20221017.tar.xz
+9344c5c96c40ea76f66ef594c16c73a6f72ecd7d SOURCES/thunderbird-102.3.0.processed-source.tar.xz
+acfcde32709f2dabf0c99ba19ddd8f4c6515b53a SOURCES/thunderbird-langpacks-102.3.0-20220916.tar.xz
 42e80b86948cdba0f69af5b15a69bc6a1274d938 SOURCES/thunderbird-symbolic.svg
diff --git a/README.debrand b/README.debrand
deleted file mode 100644
index 01c46d2..0000000
--- a/README.debrand
+++ /dev/null
@@ -1,2 +0,0 @@
-Warning: This package was configured for automatic debranding, but the changes
-failed to apply.
diff --git a/SOURCES/D158770.diff b/SOURCES/D158770.diff
deleted file mode 100644
index 1d76995..0000000
--- a/SOURCES/D158770.diff
+++ /dev/null
@@ -1,25 +0,0 @@
-diff --git a/parser/expat/lib/xmlparse.c b/parser/expat/lib/xmlparse.c
---- a/parser/expat/lib/xmlparse.c
-+++ b/parser/expat/lib/xmlparse.c
-@@ -5652,12 +5652,18 @@
-   else
- #endif /* XML_DTD */
-   {
-     processor = contentProcessor;
-     /* see externalEntityContentProcessor vs contentProcessor */
--    return doContent(parser, parentParser ? 1 : 0, encoding, s, end,
--                     nextPtr, (XML_Bool)!ps_finalBuffer);
-+    result = doContent(parser, parser->m_parentParser ? 1 : 0,
-+                       parser->m_encoding, s, end, nextPtr,
-+                       (XML_Bool)! parser->m_parsingStatus.finalBuffer);
-+    if (result == XML_ERROR_NONE) {
-+      if (! storeRawNames(parser))
-+        return XML_ERROR_NO_MEMORY;
-+    }
-+    return result;
-   }
- }
- 
- static enum XML_Error PTRCALL
- errorProcessor(XML_Parser parser,
-
diff --git a/SOURCES/build-rhel7-lower-node-min-version.patch b/SOURCES/build-rhel7-lower-node-min-version.patch
deleted file mode 100644
index 3dce244..0000000
--- a/SOURCES/build-rhel7-lower-node-min-version.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- thunderbird-102.4.0/python/mozbuild/mozbuild/nodeutil.py.build-rhel7-lower-node-min-version	2022-10-14 21:42:10.000000000 +0200
-+++ thunderbird-102.4.0/python/mozbuild/mozbuild/nodeutil.py	2022-10-17 18:49:44.490667820 +0200
-@@ -13,7 +13,7 @@ from mozboot.util import get_tools_dir
- from mozfile import which
- from six import PY3
- 
--NODE_MIN_VERSION = StrictVersion("10.24.1")
-+NODE_MIN_VERSION = StrictVersion("10.24.0")
- NPM_MIN_VERSION = StrictVersion("6.14.12")
- 
- 
diff --git a/SPECS/thunderbird.spec b/SPECS/thunderbird.spec
index d4959df..7d4959b 100644
--- a/SPECS/thunderbird.spec
+++ b/SPECS/thunderbird.spec
@@ -158,8 +158,8 @@ end}
 
 Summary:        Mozilla Thunderbird mail/newsgroup client
 Name:           thunderbird
-Version:        102.4.0
-Release:        1%{?dist}
+Version:        102.3.0
+Release:        3%{?dist}
 URL:            http://www.mozilla.org/projects/thunderbird/
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 
@@ -180,7 +180,7 @@ ExcludeArch:    aarch64 s390 ppc
 #Source0:        https://archive.mozilla.org/pub/thunderbird/releases/%{version}%{?pre_version}/source/thunderbird-%{version}%{?pre_version}.processed-source.tar.xz
 Source0:        thunderbird-%{version}%{?pre_version}.processed-source.tar.xz
 %if %{build_langpacks}
-Source1:        thunderbird-langpacks-%{version}-20221017.tar.xz
+Source1:        thunderbird-langpacks-%{version}-20220916.tar.xz
 %endif
 Source2:        cbindgen-vendor.tar.xz
 Source3:        process-official-tarball
@@ -214,7 +214,6 @@ Patch73:        build-ascii-decode-fail-rhel7.patch
 Patch75:        build-big-endian-errors.patch
 Patch76:        firefox-nss-version.patch
 Patch77:        mozilla-1775202.patch
-Patch78:        build-rhel7-lower-node-min-version.patch
 
 # Fedora specific patches
 Patch215:        firefox-enable-addons.patch
@@ -238,7 +237,6 @@ Patch421:        mozilla-s390-context.patch
 Patch422:        mozilla-s390x-skia-gradient.patch
 Patch423:        one_swizzle_to_rule_them_all.patch
 Patch424:        svg-rendering.patch
-Patch425:        D158770.diff
 
 # PGO/LTO patches
 Patch600:        pgo.patch
@@ -449,76 +447,52 @@ BuildRequires: gcc-toolset-12-annobin-plugin-gcc
 %endif
 %endif
 
-
 # Bundled libraries
 Provides: bundled(angle)
-Provides: bundled(audioipc-2)
-Provides: bundled(brotli)
-Provides: bundled(bzip2)
 Provides: bundled(cairo)
-Provides: bundled(cfworker)
-Provides: bundled(d3.js)
-Provides: bundled(double-conversion)
-Provides: bundled(expat)
-Provides: bundled(fdlibm)
-Provides: bundled(ffvpx)
-Provides: bundled(freetype2)
 Provides: bundled(graphite2)
 Provides: bundled(harfbuzz)
-Provides: bundled(highway)
-Provides: bundled(intgemm)
-Provides: bundled(json-c)
+Provides: bundled(ots)
+Provides: bundled(sfntly)
+Provides: bundled(skia)
+Provides: bundled(thebes)
+Provides: bundled(WebRender)
+Provides: bundled(audioipc-2)
+Provides: bundled(ffvpx)
 Provides: bundled(kissfft)
 Provides: bundled(libaom)
 Provides: bundled(libcubeb)
 Provides: bundled(libdav1d)
-Provides: bundled(libgcrypt)
-Provides: bundled(libgpg-error)
 Provides: bundled(libjpeg)
-Provides: bundled(libjxl)
-Provides: bundled(libjxl)
-Provides: bundled(libmar)
 Provides: bundled(libmkv)
 Provides: bundled(libnestegg)
 Provides: bundled(libogg)
 Provides: bundled(libopus)
-Provides: bundled(libotr)
 Provides: bundled(libpng)
-Provides: bundled(libprio)
 Provides: bundled(libsoundtouch)
 Provides: bundled(libspeex_resampler)
-Provides: bundled(libsrtp)
 Provides: bundled(libtheora)
 Provides: bundled(libtremor)
 Provides: bundled(libvorbis)
 Provides: bundled(libvpx)
 Provides: bundled(libwebp)
-Provides: bundled(libwebrtc)
 Provides: bundled(libyuv)
 Provides: bundled(mp4parse-rust)
-Provides: bundled(mp4parse-rust)
-Provides: bundled(msgpack-c)
-Provides: bundled(msgpack-c)
 Provides: bundled(mtransport)
-Provides: bundled(niwcompat)
 Provides: bundled(openmax_dl)
-Provides: bundled(openmax_il)
-Provides: bundled(openmax_il)
-Provides: bundled(ots)
-Provides: bundled(qcms)
-Provides: bundled(rlbox_sandboxing_api)
-Provides: bundled(rnp)
-Provides: bundled(sfntly)
-Provides: bundled(sipcc)
-Provides: bundled(skia)
-Provides: bundled(sqlite3)
-Provides: bundled(thebes)
-Provides: bundled(wasm2c)
-Provides: bundled(WebRender)
+Provides: bundled(double-conversion)
+Provides: bundled(brotli)
+Provides: bundled(fdlibm)
+Provides: bundled(freetype2)
+Provides: bundled(libmar)
 Provides: bundled(woff2)
 Provides: bundled(xz-embedded)
-Provides: bundled(ycbcr)
 Provides: bundled(zlib)
+Provides: bundled(expat)
+Provides: bundled(msgpack-c)
+Provides: bundled(libprio)
+Provides: bundled(rlbox_sandboxing_api)
+Provides: bundled(sqlite3)
 
 %if 0%{?bundle_nss}
 Provides: bundled(nss) = 3.79.0
@@ -577,9 +551,6 @@ echo "use_rustts            %{?use_rustts}"
 %patch77 -p1 -b .mozilla-1775202
 
 %patch73 -p1 -b .build-ascii-decode-fail-rhel7
-%if 0%{?rhel} == 7
-%patch78 -p1 -b .build-rhel7-lower-node-min-version
-%endif
 
 # Test patches
 
@@ -606,7 +577,6 @@ echo "use_rustts            %{?use_rustts}"
 %patch422 -p1 -b .mozilla-s390x-skia-gradient
 %patch423 -p1 -b .one_swizzle_to_rule_them_all
 %patch424 -p1 -b .svg-rendering
-%patch425 -p1 -b .D158770.diff
 
 # PGO patches
 %if %{build_with_pgo}
@@ -1228,15 +1198,6 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 #===============================================================================
 
 %changelog
-* Tue Oct 25 2022 CentOS Sources <bugs@centos.org> - 102.4.0-1.el9.centos
-- Apply debranding changes
-
-* Mon Oct 17 2022 Eike Rathke <erack@redhat.com> - 102.4.0-1
-- Update to 102.4.0 build1
-
-* Wed Oct 12 2022 Jan Horak <jhorak@redhat.com> - 102.3.0-4
-- Fix for expat CVE-2022-40674
-
 * Fri Sep 16 2022 Jan Horak <jhorak@redhat.com> - 102.3.0-3
 - Update to 102.3.0 build1