4 Jan 95 | PBF draft 1 (Thomas Boutell) |
4 Jan 95 | delta-filtering (Scott Elliott) |
4 Jan 95 | deflate compression (Tom Lane et al.) |
4 Jan 95 | 24-bit support (many) |
5 Jan 95 | TeleGrafix LZHUF proposal (same or slightly larger) |
6 Jan 95 | PNG name (Oliver Fromme) |
7 Jan 95 | PBF draft 2 (Thomas Boutell) |
7 Jan 95 | ZIF early results (Greg Roelofs) |
7 Jan 95 | internal CRC(s) (Greg Roelofs) |
8 Jan 95 | gamma chunk (Paul Haeberli) |
8 Jan 95 | 48-, 64-bit support (Jonathan Shekter) |
9 Jan 95 | FGF proposal, implementation (Jeremy Wohl) |
10 Jan 95 | first NGF/PBF/proto-PNG mailing list (Jeremy Wohl) |
15 Jan 95 | PBF draft 3 (Thomas Boutell) |
16 Jan 95 | CompuServe announces GIF24 development (Tim Oren) |
16 Jan 95 | spec available on WWW (Thomas Boutell) |
16 Jan 95 | PBF draft 4 (Thomas Boutell) |
23 Jan 95 | PNG draft 5 (Thomas Boutell) |
24 Jan 95 | PNG draft 6 (Thomas Boutell) |
26 Jan 95 | final 8-byte signature (Tom Lane) |
1 Feb 95 | PNG draft 7 (Thomas Boutell) |
2 Feb 95 | Adam7 interlacing scheme (Adam Costello) |
7 Feb 95 | CompuServe announces PNG == GIF24 (Tim Oren) |
13 Feb 95 | PNG draft 8 (Thomas Boutell) |
7 Mar 95 | PNG draft 9 (Thomas Boutell) |
11 Mar 95 | first working PNG viewer (Oliver Fromme) |
13 Mar 95 | first valid PNG images posted (Glenn Randers-Pehrson) |
1 May 95 | pnglib 0.6 released (Guy Eric Schalnat) |
1 May 95 | zlib 0.9 released (Jean-loup Gailly, Mark Adler) |
5 May 95 | PNG draft 10 (Thomas Boutell) |
13 Jun 95 | PNG home page (Greg Roelofs) |
8 Dec 95 | PNG spec 0.92 released as W3C Working Draft |
23 Feb 96 | PNG spec 0.95 released as IETF Internet Draft |
28 Mar 96 | deflate and zlib approved as Informational RFCs (IESG) |
22 May 96 | deflate and zlib released as Informational RFCs (IETF) |
1 Jul 96 | PNG spec 1.0 released as W3C Proposed Recommendation |
11 Jul 96 | PNG spec 1.0 approved as Informational RFC (IESG) |
4 Aug 96 | VRML 2.0 spec released with PNG as requirement (VAG) |
1 Oct 96 | PNG spec 1.0 approved as W3C Recommendation |
14 Oct 96 | image/png approved (IANA) |