The Dashlane feed URL seems to be valid, but it's rejected by Thunderbird: https://blog.dashlane.com/feed/
Component: General → Feed Reader
Product: Thunderbird → MailNews Core
Yes, it says: The Feed URL is not a valid feed. Can you subscribe to the feed in the Firefox feed reader, if so, using which URL?
feedvalidator flags it invalid http://www.feedvalidator.org/check.cgi?url=https%3A%2F%2Fblog.dashlane.com%2Ffeed%2F
Status: NEW → RESOLVED
Last Resolved: a year ago
Resolution: --- → INVALID
You need to log in before you can comment on or make changes to this bug.