Version in base suite: 1:91.13.0-1~deb11u1
Version in overlay suite: 1:102.8.0-1~deb11u1

Base version: thunderbird_1:102.8.0-1~deb11u1
Target version: thunderbird_1:102.9.0-1~deb11u1
Base files: thunderbird_102.8.0-1~deb11u1.dsc
Target files: thunderbird_102.9.0-1~deb11u1.dsc

-W: newer-standards-version 4.6.1 (current is 4.5.1)
+W: newer-standards-version 4.6.2 (current is 4.5.1)