Scilab version history

Scilab 6 Family
Scilab 6.1.1 GNU Linux (32/64 bits), Windows Vista/7/8/10 (32/64 bits), Mac OS X (Intel) 07/16/2021
Scilab 6.1.0 GNU Linux (32/64 bits), Windows Vista/7/8/10 (32/64 bits), Mac OS X (Intel) 02/25/2020
Scilab 6.0.2 GNU Linux (32/64 bits), Windows Vista/7/8/10 (32/64 bits), Mac OS X (Intel) 02/14/2019
Scilab 6.0.1 GNU Linux (32/64 bits), Windows Vista/7/8/10 (32/64 bits), Mac OS X (Intel) 02/15/2018
Scilab 6.0.0 GNU Linux (32/64 bits), Windows Vista/7/8/10 (32/64 bits), Mac OS X (Intel) 02/15/2017

Scilab 5 family
Scilab 5.5.2 GNU Linux (32/64 bits), Windows XP/Vista/7/8 (32/64 bits), Mac OS X (Intel) 04/01/2015
Scilab 5.5.1 GNU Linux (32/64 bits), Windows XP/Vista/7/8 (32/64 bits), Mac OS X (Intel) 10/02/2014
Scilab 5.5.0 GNU Linux (32/64 bits), Windows XP/Vista/7/8 (32/64 bits), Mac OS X (Intel) 04/11/2014
Scilab 5.4.1 GNU Linux (32/64 bits), Windows XP/Vista/7/8 (32/64 bits), Mac OS X (Intel) 04/02/2013
Scilab 5.4.0 GNU Linux (32/64 bits), Windows XP/Vista/7 (32/64 bits), Mac OS X (Intel) 10/01/2012
Scilab 5.3.3 GNU Linux (32/64 bits), Windows XP/Vista/7 (32/64 bits), Mac OS X (Intel) 07/22/2011
Scilab 5.3.2 GNU Linux (32/64 bits), Windows XP/Vista/7 (32/64 bits), Mac OS X (Intel) 05/12/2011
Scilab 5.3.1 GNU Linux (32/64 bits), Windows XP/Vista/7 (32/64 bits), Mac OS X (Intel) 03/03/2011
Scilab 5.3.0 GNU Linux (32/64 bits), Windows XP/Vista/7 (32/64 bits), Mac OS X (Intel) 12/16/2010
Scilab 5.2.2 GNU Linux (32/64 bits), Windows XP/Vista/7 (32/64 bits), Mac OS X (Intel) 04/21/2010
Scilab 5.2.1 GNU Linux (32/64 bits), Windows 2000/XP/Vista/7 (32/64 bits), Mac OS X (Intel) 02/18/2010
Scilab 5.2.0 GNU Linux (32/64 bits), Windows 2000/XP/Vista/7 (32/64 bits), Mac OS X (Intel) 12/17/2009
Scilab 5.1.1 GNU Linux (32/64 bits), Windows 2000/XP/Vista (32/64 bits), Mac OS X (Intel) 04/14/2009
Scilab 5.1 GNU Linux (32/64 bits), Windows 2000/XP/Vista (32/64 bits), Mac OS X 10.5 (Intel) 02/13/2009
Scilab 5.0.3 GNU Linux, Windows 2000/XP/Vista (32/64 bits) 11/07/2008
Scilab 5.0.2 GNU Linux, Windows 2000/XP/Vista (32/64 bits) 09/29/2008
Scilab 5.0.1 GNU Linux, Windows 2000/XP/Vista (32/64 bits) 09/12/2008
Scilab 5.0 GNU Linux, Windows 2000/XP/Vista (32/64 bits) 09/11/2008

Scilab 4 family
Scilab 4.1.2 GNU Linux, Windows 2000/XP/Vista, HP-UX 10/23/2007
Scilab 4.1.1 GNU Linux, Windows 2000/XP/Vista, HP-UX 05/09/2007
Scilab 4.1 GNU Linux, Windows 9X/2000/XP 12/12/2006
Scilab 4.0 GNU Linux, Windows 9X/2000/XP, HP-UX 07/06/2006

Scilab 3 family
Scilab 3.1.1 GNU Linux, Windows 9X/2000/XP, HP-UX, Solaris 06/14/2005
Scilab 3.0 GNU Linux, Windows 9X/NT/2000/XP, HP-UX, Solaris 07/13/2004

Scilab 2 family
Scilab 2.7 GNU Linux, Windows 9X/NT/2000/XP, Solaris 02/20/2003
Scilab 2.6 GNU Linux, Windows 9X/NT/2000/XP, HP-UX, Solaris 03/28/2001