We have done a minor release of Mono 1.9, Mono 1.9.1 that contains various bug fixes. Please see the release notes for details.

Mono 1.9.1 is available from our downloads page.

As part of the QA process for Mono, our fabulous QA team has been packaging various popular open source .NET applications, Gnome, Gtk#, ASP.NET, libraries and Windows.Forms in an easy-to-install fashion for various Linux distributions.

We are using the OpenSUSE Build Service to make the software available for various Linux distributions.

Our repository is available here, for instructions on how to add the repository see the user manual.

Starting with version 2.0 of Mono, the Mono C# compiler source code will also be available under the MIT X11 license.

We are changing the license to allow parts of the compiler to be reused as part of MonoDevelop, our LINQ class libraries and to embed it in ASP.NET.

In MonoDevelop: This will allow the compiler to be used to improve code-completion to support C# 3.0 as well as improving the heuristics when offering completions. This will reuse the front end and parts of the backend.

Compiler hosting inside ASP.NET: This will embed the whole compiler into the ASP.NET process, eliminating about one second for each compilation of a piece of code. In the past, for each request for an uncompiled resource, we would have to call the compiler, wait for its output and then load the output. This typically shaves between 0.7 to 1 second on those scenarios, ideal to improve the developer experience.

LINQ Class Libraries: This will allow us to reuse parts of the compiler in our System.Core implementation for LINQ for the current 3.5 generation and upcoming generations. Many corner cases are handled by the compiler, and we will now be able to lift those pieces. This will mostly use the backend of the compiler.

Slightly delayed news, a few weeks ago we released our best Mono release so far: Mono 1.9, the last release before Mono reaches its 2.0 level.

Mono 1.9 is considered a stable release and should be considered the new stable version to be shipped. It should replace older versions of Mono 1.2

You can obtain this from the downloads page.