Pavol, There is an identical bug report on the Snapcraft forum. Presumably that is also yours. A follow-up post suggests that the issue has been fixed. Can we close this report?
https://forum.snapcraft.io/t/bug-report-snap-firefox-add-dictionary-is- no-possible/5536 Paul White [Ubuntu Bug Squad] ** Changed in: firefox (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1772473 Title: Snap Firefox. Add dictionary is no possible Status in firefox package in Ubuntu: Incomplete Bug description: I replaced all settings from Firefox .DEB to Firefox Snap. But on Firefox Snap, installed from Ubuntu Software Snap store, I have issues. Add Slovak language dictionary is no possible https://addons.mozilla.org/en-US/firefox/language-tools/ ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: firefox (not installed) ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 Uname: Linux 4.15.0-20-generic x86_64 ApportVersion: 2.20.9-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon May 21 20:25:02 2018 SourcePackage: firefox UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1772473/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
