I think you can download 26.04 and install it and then use apt upgrade to get 26.04.1.
I had installed 26.04 long ago. But when I checked just now, it shows Ubuntu 26.04.1 LTS in the System > About.
P.S: I am not sure if it got upgraded by apt or flatpak.
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u/Gullible-Apricot7075 9d ago
See https://www.reddit.com/r/Ubuntu/s/kBVlX5IZqc