libwebp-1.6.0

- 6/30/2025 version 1.6.0
  This is a binary compatible release.
  API changes:
    - libwebp: WebPValidateDecoderConfig
  * additional x86 (AVX2, SSE2), general optimizations and compression
    improvements for lossless
  * `-mt` returns same results as single-threaded lossless (regressed in
    1.5.0, #426506716)
  * miscellaneous warning, bug & build fixes (#393104377, #397130631,
    #398288323, #398066379, #427503509)
  Tool updates:
    * cwebp can restrict the use of `-resize` with `-resize_mode` (#405437935)

1. eb4f813 cwebp: add `-resize_mode` by James Zern · 6 months ago
2. b76c4a8 man/img2webp.1: sync -m text w/cwebp.1 & gif2webp.1 by James Zern · 11 months ago
3. f999d94 gif2webp: add -sharp_yuv/-near_lossless by James Zern · 11 months ago
4. 34f9223 man/{cwebp,img2webp}.1: rm 'if needed' from -sharp_yuv by James Zern · 1 year, 1 month ago
5. 57883c7 img2webp: add -exact/-noexact per-frame options by James Zern · 1 year, 1 month ago
6. caa19e5 update link to issue tracker by James Zern · 1 year, 3 months ago
7. d33455c man/*: s/BUGS/REPORTING BUGS/ by James Zern · 1 year, 5 months ago
8. a67ff73 normalize example exit status by James Zern · 1 year, 5 months ago
9. 7b0bc23 man/cwebp.1: add more detail to -partition_limit by James Zern · 1 year, 7 months ago
10. 1bf4635 man/cwebp.1: clarify -pass > 1 behavior w/o -size/-psnr by James Zern · 1 year, 7 months ago
11. 2fe27bb img2webp: normalize help output by James Zern · 2 years, 7 months ago
12. 0825faa img2webp: add -sharp_yuv/-near_lossless by jzern@google.com · 2 years, 7 months ago
13. 34bb332 man/cwebp.1: add note about crop/resize order by James Zern · 3 years, 7 months ago
14. 1b0c15d man/img2webp.1: update date by James Zern · 3 years, 9 months ago
15. 17bade3 Merge "Reword img2webp synopsis command line" into main by Pascal Massimino · 3 years, 9 months ago
16. a80954a Reword img2webp synopsis command line by Yannis Guyon · 3 years, 9 months ago
17. b6f756e update http links by James Zern · 3 years, 11 months ago
18. 6b1d18c webpmux: fix the -bgcolor description by Pascal Massimino · 4 years ago
19. 50c97c3 webpmux: add "-set bgcolor A,R,G,B" by Pascal Massimino · 4 years ago
20. cccf5e3 webpmux: add an '-set loop <value>' option by Pascal Massimino · 4 years, 10 months ago
21. ab2d08a [cd]webp: document lack of animated webp support by James Zern · 5 years ago
22. b3ff0bd man/{gif2,img2}webp,webpmux: normalize some wording by James Zern · 5 years ago
23. 6a0ff35 Enc: add a qmin / qmax range for quality factor by Skal · 6 years ago
24. b9be7e6 vwebp: remove the -fit option (and make it default) by Pascal Massimino · 6 years ago
25. cbd23dd vwebp: add a -fit option by Pascal Massimino · 6 years ago
26. 666bd6c man/cwebp.1: refine near-lossless text by James Zern · 7 years ago
27. 4649b3c vwebp: Add background color display option by Yannis Guyon · 7 years ago
28. 5d8985d configure,*am,cosmetics: s/WANT_/BUILD_/ by James Zern · 7 years ago
29. 5cf3e2a man/Makefile.am: add img2webp.1 by James Zern · 7 years ago
30. dc39b16 webpmux.1: correct grammar by James Zern · 7 years ago
31. 64a57d0 add -version option to anim_dump,anim_diff and img2webp by Pascal Massimino · 8 years ago
32. 94a8377 extract the command-line parsing helpers to example_util by skal · 8 years ago
33. cbde572 gif2webp: add support for reading from stdin by James Zern · 8 years ago
34. 45a8b5e Fix lint error with man page. by Vincent Rabaud · 8 years ago
35. a7f93fe webpmux: allow reading argument from a file by Pascal Massimino · 8 years ago
36. b69f18a gif2webp.1: fix -loop_compatibility layout by James Zern · 8 years ago
37. 126be10 webpinfo: add -version option by James Zern · 8 years ago
38. b4e0467 gif2webp: introduce -loop_compatibility option by Pascal Massimino · 8 years ago
39. f0569ad Fix man pages for multi-threading. by Vincent Rabaud · 8 years ago
40. d63e6f4 Add a man page for webpinfo by hui su · 8 years ago
41. 32ed856 Fix "all|no frames are keyframes" settings. by Jehan · 9 years ago
42. 3363eb6 man/img2webp.1: fix formatting warning by James Zern · 9 years ago
43. 4689ce1 cwebp: add a -sharp_yuv option for 'sharp' RGB->YUV conversion by Pascal Massimino · 9 years ago
44. 03f4095 img2webp: convert a sequence of images to an animated webp by Pascal Massimino · 9 years ago
45. c85adb3 vwebp: make 'd' key toggle the debugging of fragments by Pascal Massimino · 9 years ago
46. c069951 webpmux -duration: set default 'end' value equal to 'start' by Pascal Massimino · 9 years ago
47. 3f182d3 add a "-duration duration,start,end" option to webpmux by Pascal Massimino · 9 years ago
48. 5b46f7f cwebp.1: improve some grammar by James Zern · 9 years ago
49. 74f6f9e Add descriptions of default configuration in help info. by Hui Su · 9 years ago
50. 447adbc 'our bug tracker' -> 'the bug tracker' by Pascal Massimino · 9 years ago
51. 4ed650a force "-pass 6" if -psnr or -size is used but -pass isn't. by Pascal Massimino · 10 years ago
52. d6dad5d man cwebp: add precision about exactness of the 'lossless' mode by Pascal Massimino · 10 years ago
53. b5e30da man/*, AUTHORS: clarify origin of the tool by James Zern · 10 years ago
54. 1f9be97 Make discarding invisible RGB values (cleanup alpha) the default. by Lode Vandevenne · 10 years ago
55. 0243242 man/cwebp.1, cosmetics: escape '-'s by James Zern · 10 years ago
56. 96f5b42 man/cwebp: group lossy-only options by James Zern · 10 years ago
57. 4b9186b update issue tracker url by James Zern · 10 years ago
58. 41a5d99 add a -quiet option to 'dwebp' by skal · 10 years ago
59. 1e595fe dwebp: add -resize as a synonym for -scale by James Zern · 10 years ago
60. 4c82284 Updated the near-lossless level mapping. by Vikas Arora · 11 years ago
61. b9df35f AnimEncode API: kmax=0 should imply all keyframes. by Urvang Joshi · 11 years ago
62. 98c8138 Enable Near-lossless feature. by Vikas Arora · 11 years ago
63. 7489b0e gif2webp: Add '-min-size' option to get best compression. by Urvang Joshi · 11 years ago
64. 30f3b75 webpmux man page: Clarify some title, descriptions and examples by Urvang Joshi · 11 years ago
65. b5a36cc add -near_lossless [0..100] experimental option by skal · 11 years ago
66. d3485d9 cwebp.1: fix quality description placement by James Zern · 11 years ago
67. bbe32df add alpha dithering for lossy by skal · 11 years ago
68. ddeb6ac cwebp: add webpdec by James Zern · 11 years ago
69. 24ca367 Merge "allow 'cwebp -o -' to emit output to stdout" by James Zern · 12 years ago
70. e12f874 allow 'cwebp -o -' to emit output to stdout by skal · 12 years ago
71. 2bcad89 allow some more stdin/stout I/O by skal · 12 years ago
72. 84ed4b3 fix cwebp.1 typos after patch #69199 by skal · 12 years ago
73. 65b99f1 add a -z option to cwebp, and WebPConfigLosslessPreset() function by skal · 12 years ago
74. 5da1855 add a decoding option to flip image vertically by skal · 12 years ago
75. 00c3c4e Merge "add man/vwebp.1" by James Zern · 12 years ago
76. 2c6bb42 add man/vwebp.1 by James Zern · 12 years ago
77. 0b5a90f dwebp.1: fix option formatting by James Zern · 12 years ago
78. f307f98 Merge "webpmux: let -- stop parameter parsing" by James Zern · 12 years ago
79. 6f36ade manpage pedantry by James Zern · 12 years ago
80. b4fa0a4 webpmux: let -- stop parameter parsing by James Zern · 12 years ago
81. a9a20ac gif2webp: Add a multi-threaded encode option by Urvang Joshi · 12 years ago
82. 7f9de0b Merge changes I994a5587,I8467bb71,I13b50688,I1e2c9c7b by James Zern · 12 years ago
83. 5459030 gif2webp: let -- stop parameter parsing by James Zern · 12 years ago
84. 98af68f cwebp: let -- stop parameter parsing by James Zern · 12 years ago
85. a33831e dwebp: let -- stop parameter parsing by James Zern · 12 years ago
86. f645355 dwebp.1: fix typo by James Zern · 12 years ago
87. 4c617d3 gif2webp: Disable output of ICC profile by default by Urvang Joshi · 12 years ago
88. c12e236 cosmetics: fix a few typos by James Zern · 12 years ago
89. cbdd3e6 add a -dither dithering option to the decoder by skal · 12 years ago
90. 73f5213 gif2webp: Add a mixed compression mode by Urvang Joshi · 12 years ago
91. 5d6c5bd add entry for '-resize' option in cwebp's man by Pascal Massimino · 12 years ago
92. 0b2b050 Use deterministic random-dithering during RGB->YUV conversion by skal · 12 years ago
93. fb887f7 gif2webp: Different kmin/kmax defaults for lossy and lossless by Urvang Joshi · 12 years ago
94. d538cea gif2webp: Support a 'min' and 'max' key frame interval by Urvang Joshi · 12 years ago
95. e81fac8 Add support for "no blend" in webpmux binary by Urvang Joshi · 12 years ago
96. 61405a1 dwebp: enable stdout output with WIC by James Zern · 12 years ago
97. f0d6a14 gif2webp: Insert independent frames at regular intervals. by Urvang Joshi · 12 years ago
98. a5e8afa output to stdout if file name is "-" by skal · 12 years ago
99. a3aede9 add uncompressed TIFF output support by Pascal Massimino · 12 years ago
100. b66caee dwebp: add support for BMP output by Pascal Massimino · 13 years ago