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CloseDeveloper reply by Philippe V.
Rated 3 out of 5 stars
if Cardbook is having72,806 users, Such a Popular Extension, But I Request you to remove some time for this great extension available for the Beta & Nightly Version too. This will help Mozilla to Development in Thunderbird More Faster, As without this type of Critical Extension we have to be more depend on the stable & not able to use the Beta or Nightly Version.
Extremely Sorry, If i had any mistake.
Hi
Sorry not to be available on Thunderbird beta versions ! I've got an ongoing effort to migrate CardBook from XUL to HTML that consumes a lot of time. Once this would be finished, it would be much more easy for me to be available for all Thunderbird releases. I also expect to be available for Firefox one day. This is a middle term wish as there is a lot of remaining work.
All the best !
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