# iOS Version 16.8.1

## 機能

* **IOS-6663**: リカバリーフレーズ 新しい、より安全な24単語の「リカバリーフレーズ」機能でアカウント回復プロセスをアップグレードしました。
* **IOS-6664**: 百万回未満のPBKDF2反復を使用しているアカウントは、自動的に百万回にアップグレードされます。
* **IOS-6665**: トランスミッション・キーの暗号化チャネルを楕円曲線にアップグレード。

## 不具合修正

* **IOS-6722:** Crash when attempting to login to a vault that contains a corrupt record.
* **IOS-6723**: Generated Password Complexity enforcement is not being enforced when a user changes their Master Password.
* **IOS-6738**: Enterprise-linked personal account users are being prompted to change their password to a 12-character password on first login.


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