# AOS 2.1.1

## Compatibility

This version of AuterionOS comes bundles with Auterion PX4 2.1.1:

{% content-ref url="../../../flight-control/apx4-2.1/auterion-enterprise-px4-2.1.1-release-notes" %}
[auterion-enterprise-px4-2.1.1-release-notes](https://docs.auterion.com/release-notes/flight-control/apx4-2.1/auterion-enterprise-px4-2.1.1-release-notes)
{% endcontent-ref %}

Please use Auterion Mission Control 1.10.1 or newer with this version of AOS:

{% hint style="info" %}
Specific Features on this release are only compatible with [**Auterion Mission Control v1.10.1**](https://docs.auterion.com/release-notes/auterion-mission-control-release-notes/amc-1.10/auterion-mission-control-1.10.0-release-1) or newer. Those features will not be available if an older **Auterion Mission Control** version is used.
{% endhint %}

## New Features

* Added quality parameter for video recording in the Sony α7R cameras.
* Now, the survey workflow sends photo thumbnails to AMC when triggering the photo and downloads high resolution photos only when the user opens the photo in the gallery.

## Bug fixes <a href="#bug-fixes" id="bug-fixes"></a>

The following bugs have been fixed:

* Several issues affecting the stability on the Photo Gallery.
* Sometimes, on the Photo Gallery, and using the survey workflow, the photo download does not work when using a USB stick drive.
* In the Sony α7R cameras, photo triggering fails when the photo destination is set in AMC to “both” option.
* In the Sony α7R cameras, switching photo storage destination from USB stick to camera SD card and vice-versa sometimes wouldn’t work as expected.
* Video stuttering during video streaming from Sony α7R cameras.
* High CPU load issue when storing photos in the USB stick when using the survey workflow.