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Periodic updates that correct problems reported in COMSOL 4.2a.
Last updated December 21, 2011.

These Release Notes provide information regarding new functionality in existing products.
Released October 14, 2011.

Periodic updates that correct problems reported in COMSOL 4.2.
Last updated August 18, 2011.

These Release Notes provide information regarding new functionality in existing products. It also outlines additions that we intend to make in COMSOL Multiphysics version 4.2a.
Released May 18, 2011.

Periodic updates that correct problems reported in COMSOL 4.1.
Last updated March 9, 2011.

This document outlines the differences between version 4.0a and version 4.1. It also outlines additions that we plan to make in COMSOL Multiphysics version 4.2.
Released November 4, 2010.

Periodic updates that correct problems reported in COMSOL 4.0a.
Last updated July 23, 2010.

This document outlines the differences between version 3.5a and version 4.0a. It also outlines additions that we plan to make in COMSOL Multiphysics version 4.1.
Released June 24, 2010.

This document outlines the differences between version 4.0a and version 4.0. It also outlines additions that we plan to make in COMSOL Multiphysics version 4.1.
Released July 08, 2010.

Periodic updates that correct problems reported in COMSOL 4.0.
Last updated May 21, 2010.

COMSOL 4.0 introduces many new ideas and concepts to make it easier for you to create models.
Released April 23, 2010.

This patch adds compatibility with MATLAB 2010a. The Macintosh patch also adds compatibility with Mac OS X 10.6 Snow Leopard. The patch is cumulative and replaces any earlier 3.5a patches for MATLAB support.
Released May 4, 2010.

This hotfix adds support for interfacing with later versions of external software. A new SOR line smoother has been added which improves the performance of the geometric multigrid solver for fluid-flow simulations that use boundary-layer meshes. Various stability improvements and small fixes have been added.
Released May 11, 2009.