Version history
Version history in Athanor: every edit of the session as pictures you can step back to, and the named versions kept with your account across devices.
Open it with Shift+H. It has two halves, and they are different things.
This session
Every edit since you opened the document, by name, with a picture of each. Press one to go back to it, or forward again. This list goes when you close the tab.
Named versions
Versions you saved on purpose, plus automatic ones, kept with your account. Restore one, or compare two with a chemistry-aware diff that says which structures were added, removed or changed.
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Last updated Nov 11, 2026
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