You can help by adding to it. September Older versions[ edit ] Photoshop's naming scheme was initially based on version numbers, from version 0. Adobe published 7 major and many minor versions before the October introduction of version 8. Notable milestone features would be: Filters, Colour Separation, Virtual Memory 1. In February Adobe donated the source code of the 1. Photoshop CS increased user control with a reworked file browser augmenting search versatility, sorting and sharing capabilities and the Histogram Palette which monitors changes in the image as they are made to the document. Match Color was also introduced in CS, which reads color data to achieve a uniform expression throughout a series of pictures. It included an upgraded Spot Healing Brush, which is mainly used for handling common photographic problems such as blemishes, red-eye, noise, blurring and lens distortion.