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Updated Seed breaking changes (markdown)

AUTOMATIC1111 2023-01-04 22:13:41 +03:00
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Seed-breaking-changes.md

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# 2023-01-03 - Hires fix rework
Rather than using width/height to specify target resolution, width/height is used to specify first pass resolution, and a slider is used to set multiplier for up scaling. New Hires fix does not crop image.
Rather than using width/height to specify target resolution, width/height is used to specify first pass resolution, and resulting resolution is either set using "Scale by" multiplier (Hires upscale), or directly using "Resize width to" and/or "Resize height to" (Hires resize).
Here's how old and new settings correspond to each other:
| Old version | New version |
|-------------------------------------------|-------------------------------------------------------------------------------------------------|
| Size: 1024x1024 | Size: 512x512, Hires upscale: 2.0 |
| Size: 1280x1024, First pass size: 640x512 | Size: 640x512, Hires upscale: 2.0 |
| Size: 1024x1280, First pass size: 0x0 | Size: 512x576 (auto-calcualted if you use old infotext), Hires upscale: 2.0 |
| Size: 1024x512, First pass size: 512x512 | Impossible since this crops the first pass image to 256x512, and new hires fix does no cropping |
| Size: 1280x1024, First pass size: 640x512 | Size: 640x512, Hires upscale: 2.0; Alternatively Size: 640x512, Hires resize: 1280x1024 |
| Size: 1024x1280, First pass size: 0x0 | Size: 512x576 (auto-calcualted if you use old infotext - paste it into prompt and use ↙️ button), Hires upscale: 2.0 |
| Size: 1024x512, First pass size: 512x512 | Size: 512x512, Hires resize: 1280x1024 |
# 2023-01-01 - Karras sigma min/max
Some of discussion is here: [PR](https://github.com/AUTOMATIC1111/stable-diffusion-webui/pull/4373)