1.0|Dec. 1994|Final Release of version 1.0
1.1B1|Mar. 1995|The first Beta of version 1.1 added table support as well as many of its own new HTML elements and attributes.
1.1|Apr. 1995|Final Release of version 1.1
1.2B1|Jun. 1995|First Beta of version 1.2 which updated the user interface for Windows 95 and added no new HTML support.
1.2|Jul. 1995|Final Release of version 1.2
2.0B1|Oct. 1995|First Beta of the Navigator release added several HTML 3 elements, Frames and the ability to handle Java.
2.0|Mar. 1996|Final Release of version 2.0
3.0B1|Apr. 1996|First Beta which was originally titled Atlas, this release added many new plug-ins, and support for background colors in tables.
3.0B5|Jul. 1996|This version adds support for underlining, frame border control and Font FACE styles. It also adds new elements to allow for column layout (<Multicol>) and spacing control (<Spacer>)
3.0B7|Aug. 1996|The only new HTML feature in this version appears to be the ARCHIVE attribute to the APPLET element.
4.0B1|Dec. 1996|Preview release of 4.0 (Netscape Communicator.) This adds the new LAYER element that allows precise positioning control in documents.
4.0B3|Apr. 1997|Third preview release of 4.0 (Netscape Communicator.) Improves upon the very rudimentary style sheet support in Beta 2 (PR2.)
4.0B4/5 |May. 1997|Fourth and fifth beta of 4.0. Beta 4 was a PC-only release with minor HTML improvements, while Beta 5 is cross-platform and adds the Netcaster push technology.
4.0-4.08|Jun. 1997- Nov. 1998|Final Release of Communicator. Final tally adds more CSS support (much but not all of the CSS1 spec and the CSS positioning draft are implemented), minimal dynamic font and OBJECT element support. Point releases beyond this add no new HTML support, just address security bugs.
4.5B1|Jul. 1998|Various functionality improvements, but no new HTML or CSS support.
4.5B2|Sep. 1998|Beta 2.
4.5-4.8|Oct. 1998- Aug. 2002|4.5 final release. Point releases beyond this add no new HTML support, just address bugs.
||The First Beta of version 1 (version 0.9) The original release of the browser supports all basic HTML 2 elements and some limited HTML 3 functionality.