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Linux Gazette

Major Events in PNG's History

4 Jan 95PBF draft 1 (Thomas Boutell)
4 Jan 95delta-filtering (Scott Elliott)
4 Jan 95deflate compression (Tom Lane et al.)
4 Jan 9524-bit support (many)
5 Jan 95TeleGrafix LZHUF proposal (same or slightly larger)
6 Jan 95PNG name (Oliver Fromme)
7 Jan 95PBF draft 2 (Thomas Boutell)
7 Jan 95ZIF early results (Greg Roelofs)
7 Jan 95internal CRC(s) (Greg Roelofs)
8 Jan 95gamma chunk (Paul Haeberli)
8 Jan 9548-, 64-bit support (Jonathan Shekter)
9 Jan 95FGF proposal, implementation (Jeremy Wohl)
10 Jan 95first NGF/PBF/proto-PNG mailing list (Jeremy Wohl)
15 Jan 95PBF draft 3 (Thomas Boutell)
16 Jan 95CompuServe announces GIF24 development (Tim Oren)
16 Jan 95spec available on WWW (Thomas Boutell)
16 Jan 95PBF draft 4 (Thomas Boutell)
23 Jan 95PNG draft 5 (Thomas Boutell)
24 Jan 95PNG draft 6 (Thomas Boutell)
26 Jan 95final 8-byte signature (Tom Lane)
1 Feb 95PNG draft 7 (Thomas Boutell)
2 Feb 95Adam7 interlacing scheme (Adam Costello)
7 Feb 95CompuServe announces PNG == GIF24 (Tim Oren)
13 Feb 95PNG draft 8 (Thomas Boutell)
7 Mar 95PNG draft 9 (Thomas Boutell)
11 Mar 95first working PNG viewer (Oliver Fromme)
13 Mar 95first valid PNG images posted (Glenn Randers-Pehrson)
1 May 95pnglib 0.6 released (Guy Eric Schalnat)
1 May 95zlib 0.9 released (Jean-loup Gailly, Mark Adler)
5 May 95PNG draft 10 (Thomas Boutell)
13 Jun 95PNG home page (Greg Roelofs)
8 Dec 95PNG spec 0.92 released as W3C Working Draft
23 Feb 96PNG spec 0.95 released as IETF Internet Draft
28 Mar 96deflate and zlib approved as Informational RFCs (IESG)
22 May 96deflate and zlib released as Informational RFCs (IETF)
1 Jul 96PNG spec 1.0 released as W3C Proposed Recommendation
11 Jul 96PNG spec 1.0 approved as Informational RFC (IESG)
4 Aug 96VRML 2.0 spec released with PNG as requirement (VAG)
1 Oct 96PNG spec 1.0 approved as W3C Recommendation
14 Oct 96image/png approved (IANA)