{"is":"issue","title":"appstream2 branch referencing stale commit","body":"\u003cp\u003eA mismatch between the appstream2 branch and delta indexes caused local Flatpak\nclients to fail to update appstream data. The issue is resolved now after\nregenerating both the branch and the indexes.\u003c/p\u003e\n\u003cp\u003eIf you are still experiencing issues, please try the steps below to clear the\nlocal copy of the appstream2 branch. \n  \u003cspan class=\"faded\"\u003e(01:33 UTC — Mar 25)\u003c/span\u003e\n\n\u003c/p\u003e\n\u003cpre tabindex=\"0\"\u003e\u003ccode\u003e# For system-wide installation \nsudo ostree --repo=/var/lib/flatpak/repo refs --delete flathub:appstream2/x86_64\n\n# For user installation\nostree --repo=$HOME/.local/share/flatpak/repo refs --delete flathub:appstream2/x86_64\n\n# Update the appstream data\nflatpak update --appstream\n\u003c/code\u003e\u003c/pre\u003e\u003cp\u003eAdditionally, some client experienced timeouts when fetching delta indexes that\nwere removed from the server. This was caused by the CDN not caching 404\nresponses, resulting  in requests queuing up behind nginx\u0026rsquo;s cache lock. A fix\nwas deployed to cache 404 responses, allowing clients to gracefully fall back\nto full downloads. \n  \u003cspan class=\"faded\"\u003e(02:08 UTC — Mar 25)\u003c/span\u003e\n\n\u003c/p\u003e\n","createdAt":"2026-03-24 23:55:00 +0000 UTC","lastMod":"2026-03-25 05:56:35 +0100 +0100","permalink":"https://status.flathub.org/issues/2026-03-24-appstream2/","severity":"disrupted","resolved":true,"informational":false,"resolvedAt":"2026-03-25 02:00:00","affected":["CDN"],"filename":"2026-03-24-appstream2.md"}