Ну не совсем (если не смущает английский - http://www.sweethome3d.com/history.jsp):
Version 5.1, October 5, 2015
-Fixed a regression that prevented to easily select an object placed in a selected room.
-Fixed a bug that generated wrong SVG files for plans containing texts with the default font.
-Fixed a bug that could prevent to reopen a SH3D file saved with its furniture list sorted on Color or Texture columns.
-Removed unexpected surfaces displayed at the ground in 3D and matching objects at n-2 levels under the ground.
-Fixed wrongly computed cutout of staircases in the upper floor for some layouts.
-Fixed some 3D rendering issues on rooms at ground level under Mac OS X with Java 6.
-Fixed the management of icons and models referenced more than once in a SH3F or SH3T file edited with the Furniture Library Editor or the Textures Library Editor.
-Updated German, Japanese and Swedish help pages.
-Upgraded Java 3D to version 1.6.0-pre12 / JOGL 2.3.2 beta for the Mac OS X version run with Java 7 / 8.
-Replaced JRE 8u51 by JRE 8u60 in Sweet Home 3D installers bundled with Java under Windows.
-Other minor bugs fixes and enhancements.

See also blog article about version 5.1.- http://www.sweethome3d.com/blog/2015/10/06/sweet_home_3d_5_1...