Can I confirm that the same terms apply under 5.30 for early adopters of Sandboxie lifetime licences.
The Author grants You a personal, limited, non-exclusive, non-transferable license to access, install, download, copy theSoftware, or otherwise benefit from using the functionality ofthe Software, on any number of computers you own, provided thatYou adhere to all of the terms and conditions of this Agreement.This Agreement is an express limited use license and not anassignment, sale, or other transfer of the Software or anyIntellectual Property Rights of the Author.
I don't understand this question. Why should it be different than any other upgrade?
Owning a lifetime license, I've been upgrading Sandboxie for years.