> For the complete documentation index, see [llms.txt](https://docs.havah.io/havah-mitter/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.havah.io/havah-mitter/announcement/havah-mitter-release-notes/v1.0.4-release-notes.md).

# v1.0.4 Release Notes

Release Date: 2023.03.15

HAVAH Mitter v1.0.4 has been released. 

Here are the details about what’s included in this version.

<figure><img src="https://3368467070-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5hdOW5sgzWhImBvF0TVn%2Fuploads%2Fn5XSsAN4naSC6toL6OX0%2FMitter_new-1.png?alt=media&amp;token=df908f01-048f-4a72-a3be-203758b48fc6" alt=""><figcaption></figcaption></figure>

**\[New features]**

* Add the Polygon Chain to the Mitter

**\[Improvements]**

* Fixed the crash issue that happened while bring the NFT list&#x20;
  * Additionally support exceptional cases as well.