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What's new in 4.0.18.7 since 4.0.18.6:
[-] (#0006878) When an address group was deleted with items belgoning to that group only, its last item was always deleted
[-] "Find for lost folders" in OTFE could make duplicates on nested folders
[-] (#0006964) Bug with saving multiple attachments (introduced in 4.0.18.6)