Version in base suite: 1:60.9.0-1~deb10u1
Base version: thunderbird_1:60.9.0-1~deb10u1
Target version: thunderbird_1:68.2.2-1~deb10u1
Base files: thunderbird-dbgsym_60.9.0-1~deb10u1_s390x.deb thunderbird_60.9.0-1~deb10u1_s390x.deb
Target files: thunderbird-dbgsym_68.2.2-1~deb10u1_s390x.deb thunderbird_68.2.2-1~deb10u1_s390x.deb

+E: embedded-library usr/lib/thunderbird/libnspr4.so: nspr
+E: embedded-library usr/lib/thunderbird/libnss3.so: nss
+E: embedded-library usr/lib/thunderbird/libxul.so: libtheora