> For the complete documentation index, see [llms.txt](https://keypal.gitbook.io/en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://keypal.gitbook.io/en/firmware-upgrade-log/keypal-plus/v2.3.00.md).

# Version 2.3.00

Date:14/06/2022

\[Version Update]

<figure><img src="https://content.gitbook.com/content/VKafggIi43De3eRpDPwS/blobs/HNBl5N63VQj7CPNZRzBy/keypal%202.3.00.png" alt=""><figcaption></figcaption></figure>

\[Version 2.3.00]

1\.  Fix the issue of EIP712.

2\.  Optimize algorithm and code space.

3\.  Optimize firmware upgrade process, support upgrade by one-click.

4\.  Optimize PIN code processing.
