Package: firefox-esr Version: 52.7.3esr-1 This happens with every new Firefox version since a long time:
A window "Firefox Update" appears saying: Checking Compatibility of Add-ons ---- Checking your add-ons for compatibility with this version of Firefox. [ animation of underground train ] [ circle animation] This may take a few minutes... Cancel (active) | Next (greyed out) This goes on until I click on "Cancel", and then everything is fine, no matter how much time I wait before clicking the "Cancel" button. Not a big deal, but still a little bit annoying and confusing. Why does Firefox check things, that are hopefully already done by dpkg? I don't have non-Debian plugins installed. -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.14.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=en_DK.utf8, LC_CTYPE=en_DK.utf8 (charmap=UTF-8), LANGUAGE=en_DK.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages firefox-esr depends on: ii debianutils 4.8.4 ii fontconfig 2.12.6-0.1 ii libasound2 1.1.3-5 ii libatk1.0-0 2.28.1-1 ii libc6 2.27-2 ii libcairo-gobject2 1.15.10-1 ii libcairo2 1.15.10-1 ii libdbus-1-3 1.12.6-2 ii libdbus-glib-1-2 0.110-2 ii libevent-2.1-6 2.1.8-stable-4 ii libffi6 3.2.1-8 ii libfontconfig1 2.12.6-0.1 ii libfreetype6 2.8.1-2 ii libgcc1 1:8-20180321-1 ii libgdk-pixbuf2.0-0 2.36.11-2 ii libglib2.0-0 2.56.0-4 ii libgtk-3-0 3.22.29-2 ii libgtk2.0-0 2.24.32-1 ii libhunspell-1.6-0 1.6.2-1 ii libjsoncpp1 1.7.4-3 ii libnspr4 2:4.18-1 ii libnss3 2:3.35-2 ii libpango-1.0-0 1.42.0-1 ii libsqlite3-0 3.22.0-2 ii libstartup-notification0 0.12-5 ii libstdc++6 8-20180321-1 ii libvpx5 1.7.0-3 ii libx11-6 2:1.6.5-1 ii libx11-xcb1 2:1.6.5-1 ii libxcb-shm0 1.13-1 ii libxcb1 1.13-1 ii libxcomposite1 1:0.4.4-2 ii libxdamage1 1:1.1.4-3 ii libxext6 2:1.3.3-1+b2 ii libxfixes3 1:5.0.3-1 ii libxrender1 1:0.9.10-1 ii libxt6 1:1.1.5-1 ii procps 2:3.3.12-4 ii zlib1g 1:1.2.8.dfsg-5 firefox-esr recommends no packages. Versions of packages firefox-esr suggests: ii fonts-lmodern 2.004.5-3 ii fonts-stix [otf-stix] 1.1.1-4 ii libcanberra0 0.30-6 ii libgssapi-krb5-2 1.16-2 pn mozplugger <none> -- no debconf information -- Package-specific info: -- Addons package information -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 4.14.0-3-amd64 (SMP w/4 CPU cores) Locale: LANG=en_DK.utf8, LC_CTYPE=en_DK.utf8 (charmap=UTF-8), LANGUAGE=en_DK.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages firefox-esr depends on: ii debianutils 4.8.4 ii fontconfig 2.12.6-0.1 ii libasound2 1.1.3-5 ii libatk1.0-0 2.28.1-1 ii libc6 2.27-2 ii libcairo-gobject2 1.15.10-1 ii libcairo2 1.15.10-1 ii libdbus-1-3 1.12.6-2 ii libdbus-glib-1-2 0.110-2 ii libevent-2.1-6 2.1.8-stable-4 ii libffi6 3.2.1-8 ii libfontconfig1 2.12.6-0.1 ii libfreetype6 2.8.1-2 ii libgcc1 1:8-20180321-1 ii libgdk-pixbuf2.0-0 2.36.11-2 ii libglib2.0-0 2.56.0-4 ii libgtk-3-0 3.22.29-2 ii libgtk2.0-0 2.24.32-1 ii libhunspell-1.6-0 1.6.2-1 ii libjsoncpp1 1.7.4-3 ii libnspr4 2:4.18-1 ii libnss3 2:3.35-2 ii libpango-1.0-0 1.42.0-1 ii libsqlite3-0 3.22.0-2 ii libstartup-notification0 0.12-5 ii libstdc++6 8-20180321-1 ii libvpx5 1.7.0-3 ii libx11-6 2:1.6.5-1 ii libx11-xcb1 2:1.6.5-1 ii libxcb-shm0 1.13-1 ii libxcb1 1.13-1 ii libxcomposite1 1:0.4.4-2 ii libxdamage1 1:1.1.4-3 ii libxext6 2:1.3.3-1+b2 ii libxfixes3 1:5.0.3-1 ii libxrender1 1:0.9.10-1 ii libxt6 1:1.1.5-1 ii procps 2:3.3.12-4 ii zlib1g 1:1.2.8.dfsg-5 firefox-esr recommends no packages. Versions of packages firefox-esr suggests: ii fonts-lmodern 2.004.5-3 ii fonts-stix [otf-stix] 1.1.1-4 ii libcanberra0 0.30-6 ii libgssapi-krb5-2 1.16-2 pn mozplugger <none> -- no debconf information