I've been testing on the Krita downloads page (it's my normal way of testing running AppImages). No more portal save dialog, just nothing. 636a47c9243a8cf0387b6e2e4fbb7d8972e501f4 is the first bad commit commit 636a47c9243a8cf0387b6e2e4fbb7d8972e501f4 Author: Alyssa Ross <hi@alyssa.is> Date: Wed Sep 10 22:06:34 2025 +0200 lib/nixpkgs.default.nix: update to nixos-unstable-small Signed-off-by: Alyssa Ross <hi@alyssa.is> host/initramfs/default.nix | 3 ++- host/rootfs/default.nix | 2 +- img/app/default.nix | 2 +- lib/nixpkgs.default.nix | 4 ++-- vm/sys/net/default.nix | 2 +- 5 files changed, 7 insertions(+), 6 deletions(-) So needs a Nixpkgs bisection.