> For the complete documentation index, see [llms.txt](https://docs.auterion.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.auterion.com/release-notes/flight-control/apx4-2.5/apx4-2.5.13.md).

# APX4 2.5.13

## Compatibility

Please use Auterion Mission Control 1.14.6 or newer with this version of APX4:

{% content-ref url="/pages/6gent0PLKRkVHkHCsHDB" %}
[AMC 1.14.6](/release-notes/auterion-mission-control-release-notes/amc-1.14/amc-1.14.6.md)
{% endcontent-ref %}

## What improved

* Robustified the FMU SD card driver in case of intermittent hardware failures while a write operation is waiting to be completed.
* Disable logger watchdog on the FMU.