> For the complete documentation index, see [llms.txt](https://docs.keeper.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.keeper.io/release-notes/mobile/apple-ios/older/ios-version-16.8.1.md).

# iOS Version 16.8.1

## Features

* **IOS-6663**: Recovery Phrase. We have upgraded our account recovery process with a new and more secure 24-word “recovery phrase” feature. Read more on the [Keeper Blog](https://www.keepersecurity.com/blog/2023/04/24/keeper-introduces-24-word-recovery-phrases/).
* **IOS-6664**: Automatically upgrade any account to 1,000,000 PBKDF2 iterations if the account is using less than 1,000,000.
* **IOS-6665**: Upgrade of the Transmission Key encryption channel to use Elliptic Curve.

## Bug Fixes

* **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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