Version in base suite: 78.15.0esr-1~deb11u1
Version in overlay suite: 91.9.0esr-1~deb11u1

Base version: firefox-esr_91.9.0esr-1~deb11u1
Target version: firefox-esr_91.9.1esr-1~deb11u1
Base files: firefox-esr-dbgsym_91.9.0esr-1~deb11u1_armhf.deb firefox-esr_91.9.0esr-1~deb11u1_armhf.deb
Target files: firefox-esr-dbgsym_91.9.1esr-1~deb11u1_armhf.deb firefox-esr_91.9.1esr-1~deb11u1_armhf.deb

-W: debug-file-with-no-debug-symbols usr/lib/debug/.build-id/3a/e964cd3a50f6507d521596d7f002e5920f5f7d.debug
+W: debug-file-with-no-debug-symbols usr/lib/debug/.build-id/64/7f4402b0ece30c135ccd855e7f7b6f36a5c897.debug