If it was part of the license agreement? I don't know how enforceable this would be in practice though.
Perhaps a neutral third party gets code access and a contract with the developer and users as to when/if it will be released?
Perhaps a neutral third party gets code access and a contract with the developer and users as to when/if it will be released?
The agreement between the Free Qt Foundation and Nokia gives them right to release the latest Qt version under a BSD-style licence if Nokia stop releasing Qt versions (GPL+LGPL).