---
layout: releasenotes
title: 'Mono 5.4.1 Release Notes'
version: 5.4.1
releasedate: '2017-10-31'
---

Mono 5.4.1 is a service release for the Mono 5.4 series.

## Release History

-   5.4.1.7 - Fix for [#59956](https://bugzilla.xamarin.com/show_bug.cgi?id=59956) *(06 Novemer 2017)*
-   5.4.1.6 - Service Release *(31 October 2017)*

## Bug Fixes

-   [#59281](https://bugzilla.xamarin.com/show_bug.cgi?id=59281) - System.Threading.AbandonedMutexException: The wait completed due to an abandoned mutex
-   [#59302](https://bugzilla.xamarin.com/show_bug.cgi?id=59302) - Task in Mono 5.4.0.167 is throwing exception "Length cannot be less than zero"
-   [#59364](https://bugzilla.xamarin.com/show_bug.cgi?id=59364) - Assertion at dynamic-image.c:209, condition \`prev == MONO_HANDLE_RAW (obj)' not met
-   [#59832](https://bugzilla.xamarin.com/show_bug.cgi?id=59832) - \[iOS\]MT3001 error: Could not AOT the assembly error while building iOS/mobile samples
-   [#60233](https://bugzilla.xamarin.com/show_bug.cgi?id=60233) - Assertion in dynamic-image.c after 792b5367cd3a6ffa1a192c4d2d7ace3509cbb646

## Contributors

Aleksey Kliger, Alexander Köplinger, Alexis Christoforides, Cody Russel, Ludovic Henry, Luis Aguilera, Marek Safar, Martin Baulig, Rolf Bjarne Kvinge, Zoltan Varga