GUI works but shaderpacks don't change anything

I installed iris with sodium and fabric (each the version for 1.19.2) per the instructions on the website. The installation seems to be a success because the GUI changes so that I can edit shaderpack settings, etc. but there is no change to the graphics whatsoever when I apply changes or enable shaders. I am launching from curseforge launcher not the vanilla launcher. Screenshot with F3 and latest.log attached. Thanks in advance for any help I can get!
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