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If you send the request inside the Dispatch handlers, it should be flushed automatically. If you do it from a timer or via dbus you will need to flush the...

sync_roundtrip could work, just note that the queue will block until that message is received.

If you have any further questions, feel free to open a new issue or comment here.

I'm curious if the ast generated here is publicly accessible. I do have a case where I need to look at the shader's ast to figure out how to setup...

I don't see anything else that would need to be done, @ids1024 are you fine with this being merged or do you have some new idea to handle this.

I think this actually needs to be fixed upstream in nix, it only labels android and linux has having memfd

Actually there is an issue about it: https://github.com/nix-rust/nix/issues/1775

Just need a new nix release at this point.

Maybe linking to the rust-windowing matrix space would be more apt?

I believe the space link is https://matrix.to/#/#rust-windowing:matrix.org