Comparing 0.01 and 1.00 I clearly see a difference here: https://imgsli.com/MTQ1Njk3
The difference is not as high as one might have hoped: https://imgsli.com/MTQ1Njk4
But, even with your image (comparing 0.01 vs 0.99) there is a difference: https://imgsli.com/MTQ1Njk5
My guess is you are hoping for more difference in the strength than RealESRGAN offers.
You can ask HolyWu whether there is a way to increase the effect of denoising strength, but it does work.
=> this is not an issue of Hybrid, but maybe you are needing better glasses or ways to compare the output.
Cu Selur
The difference is not as high as one might have hoped: https://imgsli.com/MTQ1Njk4
But, even with your image (comparing 0.01 vs 0.99) there is a difference: https://imgsli.com/MTQ1Njk5
My guess is you are hoping for more difference in the strength than RealESRGAN offers.
You can ask HolyWu whether there is a way to increase the effect of denoising strength, but it does work.
=> this is not an issue of Hybrid, but maybe you are needing better glasses or ways to compare the output.

Cu Selur
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Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.
Dev versions are in the 'experimental'-folder of my GoogleDrive, which is linked on the download page.