DeletePermanently in RecentlyDeleted items execs OK for <= 49 items; for >=50, no action or error?

I'm running 1Password for Linux 8.9.10 (80910026), installed from 1Password's yum/Fedora repo.

I've a Family account, currently in Trial mode.

After a quirky migration/import from LastPassFamily, I've ended up with ~450 items in my Recently Deleted folder. I'd like to destroy all of them permanently.

Selecting up to 49 items, Delete Permanently action works as expected -- gets a success notice, and they're gone.

But, for 50+ selected items, on exec, there's no (immediately apparent) error, no message -- just no action. The items are simply not deleted.

Breaking the same group into <=49 item chunks, again, all's good.

Bug, known or otherwise? Or setting buried somewhere?

1Password Version: 8.9.10 (80910026)
Extension Version: 2.6.0
OS Version: Linux/Fedora37
Browser:_ Firefox 107