This table charts the Adobe Photoshop release history, starting with the first versions by independent creators Thomas and John Knoll in the summer of 1988. The license to distribute the program was purchased by Adobe Systems in September 1988.
Version
Platform
Codename
Release date
Significant changes
0.63
Macintosh
October 1988
1.0
Macintosh
February 1990
2.0
Macintosh
Fast Eddy
June 1991
Paths
2.5
Macintosh
Merlin
November 1992
Windows
Brimstone
IRIX, Solaris
November 1993
3.0
Macintosh
Tiger Mountain
September 1994
Tabbed Palettes
Layers
Windows, IRIX, Solaris
November 1994
4.0
Macintosh, Windows
Big Electric Cat
November 1996
Adjustment Layers
Actions (macros)
5.0
Macintosh, Windows
Strange Cargo
May 1998
Editable type (previously, type was rasterized as soon as it was added)
Multiple Undo (History Palette)
Color Management
Magnetic Lasso
5.5
Macintosh, Windows
February 1999
Bundled with ImageReady
Save for Web
Extract
6.0
Macintosh, Windows
Venus in Furs
September 2000
Vector Shapes
Updated User Interface
"Liquify" filter
Layer styles/Blending Options dialog
7.0
Mac OS 'Classic'/Mac OS X, Windows
Liquid Sky
March 2002
Made text fully vector
Healing Brush
New painting engine
7.0.1
Mac OS 'Classic'/Mac OS X, Windows
August 2002
Camera RAW 1.x (optional plugin)
CS (8.0)
Mac OS X, Windows
Dark Matter
October 2003
Camera RAW 2.x
Highly modified "Slice Tool"
Shadow/Highlight command
Match Color command
Lens Blur filter
Smart Guides
Real-Time Histogram
Detection and refusal to print scanned images of various banknotes
Macrovision copy protection based on SafeCast DRM technology
Scripting support for JavaScript and other languages
