---
layout: releasenotes
title: Mono 4.0.3 Release Notes
version: 4.0.3
releasedate: '2015-08-10'
---

4.0.3 is the third maintenance release of the 4.0 series

Improvements
------------

* Various stability improvements

Bug Fixes
---------

* [28600](https://bugzilla.xamarin.com/show_bug.cgi?id=28600): Some LLVM artifacts are being written to the base project dir rather than obj/$Config/
* [26205](https://bugzilla.xamarin.com/show_bug.cgi?id=26205): System.IO.Package.LoadRelationships throws null reference for some NuGet packages with PCLs generated on Windows
* [30868](https://bugzilla.xamarin.com/show_bug.cgi?id=30868): ObjectDisposedException in mono 4.0.1.28, but not mono 3.12.1
* [31582](https://bugzilla.xamarin.com/show_bug.cgi?id=31582): iOS -O=float32 fails for some operations on ARM7
* [30043](https://bugzilla.xamarin.com/show_bug.cgi?id=30043): Disposing a FileSystemWatcher object causes ArgumentOutOfRangeException
* [31060](https://bugzilla.xamarin.com/show_bug.cgi?id=31060): F# sprintf AOT bug happens still now

Contributors
------------

Alexander Köplinger, Alexander Kyte, Alexis Christoforides, Alex Rønne Petersen,
Chris Hamons, Craig S. Bosma, Iain Holmes, João Matos, Jo Shields, Marek Safar,
Rodrigo Kumpera, Sebastien Pouliot, Zoltan Varga