Package: firefox Version: 61.0-1 Followup-For: Bug #902596 I confirm the bug, same problem here with italian and USA spellchecker.
-- Package-specific info: -- Addons package information -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (501, 'testing'), (50, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.16.0-2-amd64 (SMP w/4 CPU cores) Locale: LANG=it_IT.UTF-8, LC_CTYPE=it_IT.UTF-8 (charmap=UTF-8), LANGUAGE=it (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages firefox depends on: ii debianutils 4.8.6 ii fontconfig 2.13.0-5 ii libatk1.0-0 2.28.1-1 ii libc6 2.27-3 ii libcairo-gobject2 1.15.10-3 ii libcairo2 1.15.10-3 ii libdbus-1-3 1.12.8-3 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 2.13.0-5 ii libfreetype6 2.8.1-2 ii libgcc1 1:8.1.0-8 ii libgdk-pixbuf2.0-0 2.36.11-2 ii libglib2.0-0 2.56.1-2 ii libgtk-3-0 3.22.30-1 ii libhunspell-1.6-0 1.6.2-1+b1 ii libjsoncpp1 1.7.4-3 ii libnspr4 2:4.19-3 ii libnss3 2:3.38-1 ii libpango-1.0-0 1.42.0-1 ii libsqlite3-0 3.24.0-1 ii libstartup-notification0 0.12-5 ii libstdc++6 8.1.0-8 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 2:3.3.15-2 ii zlib1g 1:1.2.11.dfsg-1 firefox recommends no packages. Versions of packages firefox 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 ii libgtk2.0-0 2.24.32-1 -- no debconf information