Good morning Claus,
I hope to be able to help you.
Since I have used 1Password in the past, I will tell you that the two password managers have differences and getting used to them is not immediate. I recommend you to consult Help Center | Bitwarden
Take a look at Import Data from 1Password | Bitwarden Help Center
Bitwarden’s GUI is not as nice as 1Password’s. However, you can open a new topic in the feature request asking to improve the GUI.
As mentioned above, you can open a new topic in the feature request section.
If you think the German translation is unclear or wrong, you have the opportunity to improve it yourself. Localization | Bitwarden Help Center The project can be found on Crowdin and does not require any knowledge of programming languages.
As mentioned above, you can open a new topic in the feature request section.
Yes, you can find the roadmap in this community Bitwarden Roadmap - Archive
Basically, you do not need it. You can find more information about the plans available at https://bitwarden.com/help/article/about-bitwarden-plans/
Regards,
pr0ph3cy