PDF does not work, CORS policy failed

[ariehen]

Most likely this or related to it:

Arch Linux PDF viewer renders blank after electron39/libdrm update

This is not a DRM/libdrm/GPU rendering issue. I opened a more specific thread here with the CORS details: Short version: Electron 39.8.10 includes a custom-protocol CORS enforcement change. Obsidian’s PDF viewer loads the viewer from app://obsidian.md, but the PDF itself from another app://... origin. PDF.js then hits a cross-origin XHR/fetch block before the PDF is loaded. That explains why downgrading only electron39 to 39.8.9 fixes it, while newer libdrm alone does not reproduce the issu…

Have you tried the aur or flatpak install yet?