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) |