diff --git a/testing/release/updates/moz19-thunderbird-linux.cfg b/testing/release/updates/moz19-thunderbird-linux.cfg new file mode 100644 index 00000000000..e69de29bb2d diff --git a/testing/release/updates/moz19-thunderbird-mac.cfg b/testing/release/updates/moz19-thunderbird-mac.cfg new file mode 100644 index 00000000000..e69de29bb2d diff --git a/testing/release/updates/moz19-thunderbird-win32.cfg b/testing/release/updates/moz19-thunderbird-win32.cfg new file mode 100644 index 00000000000..e69de29bb2d