--- 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