Feature branch must be merged with develop branch with --squash merge. Now I see all my commits from finished feature in my develop branch!
https://github.com/nvie/gitflow/blob/15aab26490facf285acef56cb5d61025eacb3a69/git-flow-feature#L321
Or must be option for enable squash feature merging. But in git-flow squash is by default and exists option for disable squash.