Are we signing Thunderbird with codesign v2 ?

Josiah Bruner josiah at
Mon Aug 4 19:55:49 UTC 2014

We're currently using Version 1. However, the main (Mozilla) development 
team is aware of the change (We learned about it from Apple last week) 
and are furiously working on a change to the code signing. All bugs and 
information are under NDA to Apple, so that's all I can mention presently.

Basically though, we (Thunderbird) need not worry about it.

Josiah Bruner [:JosiahOne]
Thunderbird Front-end & UX
Gecko/Widget OS X Backend

On 8/4/14 2:34 PM, Nomis101 wrote:
> For OS X we are signing the DMG with codesign since TB 15. Today I've 
> found an Apple tech note that noted, that codesign v2 should be used, 
> because v1 is obsolete soon. Is says [1]:
> "/Changes in OS X 10.9.5 and Yosemite Developer Preview 5//
> //Beginning with OS X version 10.9.5, there will be changes in how OS 
> X recognizes signed apps. Version 1 signatures created with OS X 
> versions prior to Mavericks will no longer be recognized by Gatekeeper 
> and are considered obsolete.//
> //Important: For your apps to run on updated versions of OS X they 
> must be signed on OS X version 10.9 or later and thus have a version 2 
> signature./"
> What version of codesign are we using for Thunderbird, are we already 
> using v2?
> [1]: 
> _______________________________________________
> tb-planning mailing list
> tb-planning at

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