#5 | pHYs is metric-only | ❌ | | | |
#6 | AverageLaneFilter | ❌ | | | |
#14 | Spatial referencing of a PNG image; pHYs unsuitable | ❌ | | | |
#15 | Textual chunk which is not `safe to copy` | ❌ | | | |
#16 | Image tiling chunk | ❌ | | | |
#21 | Interpolation preference | ❌ | | | |
#24 | Alternative palettes | ❌ | | | |
#25 | Internal IDs for fragment references | ❌ | | | |
#38 | APNG implementation | ❌ | | | |
#39 | Consider using Zstandard and/or LZ4 instead of Deflate | ❌ | | | |
#40 | Consider making the Adler32 check optional during decompression | ❌ | | | |
#41 | Suggestion: regular restart markers | ❌ | | | |
#45 | Formalize Apple's CgBI chunk | ❌ | | | |
#54 | Multithreading PNG decoding, "parallel" PNG's | ❌ | | | |
#55 | Much faster standard PNG writing | ❌ | | | |
#60 | PNG Restart Marker specification | ❌ | | | |
#97 | Natural image resolution, CSS. web compat, and `pHYs` | ❌ | | | |
#255 | Consider improvements to progressive loading | ❌ | | | |
#308 | Link to tables and figures by name | ❌ | | | |
#311 | Some tone mapping requires the average luminance between frames | ❌ | | | |
#312 | Testing `cICP` | ❌ | | | |
#319 | Tone-mapping should be stable when mDCv and cLLi are static | ❌ | | | |
#320 | Handling invalid, unknown ancillary chunks | ❌ | | | |
#344 | Flag for use of artistic controls | ❌ | | | |
#347 | Should the spec still talk about frame buffers? | ❌ | | | |
#357 | 10 bit per channel proposal | ❌ | | | |
#358 | Testing `cLLi` | ❌ | | | |
#359 | Testing `mDCv` | ❌ | | | |
#366 | Liaison letter from ISO TC 42/WG 23 on Gain Maps | ❌ | | | |
#380 | Proposal: gain maps for PNG | ❌ | | | |
#390 | Add PNG dWLm (Diffuse white luminance metadata ) chunk to conform to ISO 22028-5 | ❌ | | | |
#405 | Consistent terminology | ❌ | | | |
#426 | New filter method, optimised for 10,12,16 bits/component image data? | ❌ | | | |
#467 | Join chunk ordering rules | ❌ | | | |
#472 | Added table with 16bit full and narrow range values | ❌ | | | |
#477 | Deadlink to old cLLi chunk name in mDCV chunk description | ❌ | | | |
#478 | iCCP chunk requirements for GRAY and RGB | ❌ | | | |