v5.16.0

In this release, a number of new features have been added and several bugs have been fixed.
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New features:

• It has been clarified when a project is locked by the brainstorm.
• It has been clarified that entering an email address is optional as a brainstorming participant.
• You can now, if you haven't logged into a brainstorm for more than two weeks, also participate again via the email link. In the brainstorm app, you refresh the session again.

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Bug fixes:

• An error message is now displayed when importing a risk sheet with empty rows.
• The option to not allow participants to drag and drop risks in the brainstorm is now correctly implemented.
• The browser language is now used as the default language on the first visit to the brainstorming app.
• A bug where you could get stuck in opportunity mode in a file has been fixed.