We went through the same problem at Superhuman (and as I write our latest extension update has been pending review for 2 weeks, so maybe we're about to hit it again).
Simeon on the mailing list was quite re-assuring, and I would recommend reaching out to him, though there are limits to what he can help with.
That said we found that the review process is quite arbitrary, resubmitting may work simply because you get a different reviewer. (We've seen identical copies of the extension with different version numbers where one was approved and one rejected).
We've also observed that they use some kind of automated code-analysis to tell whether or not you're making use of the permission; so you may want to check that it's obvious from the code included in the extension bundle that you need the permissions you're asking for.
We've also hypothesized that they apply different standards to extensions depending on the number of users – our staging extension (~50 users) usually gets approved quickly, but our production extension usually takes a while and is less likely to be approved. (This may just be luck of the draw coupled with arbitrariness though)
Simeon on the mailing list was quite re-assuring, and I would recommend reaching out to him, though there are limits to what he can help with.
That said we found that the review process is quite arbitrary, resubmitting may work simply because you get a different reviewer. (We've seen identical copies of the extension with different version numbers where one was approved and one rejected).
We've also observed that they use some kind of automated code-analysis to tell whether or not you're making use of the permission; so you may want to check that it's obvious from the code included in the extension bundle that you need the permissions you're asking for.
We've also hypothesized that they apply different standards to extensions depending on the number of users – our staging extension (~50 users) usually gets approved quickly, but our production extension usually takes a while and is less likely to be approved. (This may just be luck of the draw coupled with arbitrariness though)