Version in base suite: 1:78.14.0-1~deb11u1
Base version: thunderbird_1:78.14.0-1~deb11u1
Target version: thunderbird_1:91.6.2-1~deb11u1
Base files: thunderbird-dbgsym_78.14.0-1~deb11u1_ppc64el.deb thunderbird_78.14.0-1~deb11u1_ppc64el.deb
Target files: thunderbird-dbgsym_91.6.2-1~deb11u1_ppc64el.deb thunderbird_91.6.2-1~deb11u1_ppc64el.deb

+E: embedded-library usr/lib/thunderbird/libnspr4.so: nspr